Download - Ontario Electrical Safety Code 2009
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Bulletins
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Ontario Electrical Safety Code - Bulletins
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Whats New - May 2011
Bulletins
All changes in the bulletins are Italic underlined and have been marked with a vertical line in the left margin.
Updated/New Bulletins please replace/ insert as indicated.New Bulletin Replaces
BulletinTitle Change
0-3-4 0-3-3 Errors and omissions in 2009 On-tario Electrical Safety Code
Updated
8-3-6 8-3-5 Services and feeders for residen-tial occupancies
Re-formulated to clarify application of Rules 8-200 & 8-202. Added Q&A about back-to-back WRZQKRPHVFODVVLHGDV6LQJOHDwellings
26-18-5 26-18-4 Arc Fault Circuit Interrupter (AFCI) in sleeping facilities of a dwelling unit
&ODULHGGZHOOLQJURRPFODVVLFDWLRQfor the purpose of applying Rule 26-722(f) regarding AFCI protection for bedroom receptacles
30-12-0 Luminaires in buildings of residen-tial occupancies
50-1-1 50-1-0 Installation of Solar Photovoltaic Systems
Deleted content of paragraph (4) about voltage rating of photovoltaic circuit and added a reference to new bulletin 50-3-0
50-3-0 Voltage rating of a photovoltaic source circuit
68-7-7 68-7-6 Swimming pool, hot tub and spa installations
Added answers for frequently asked questions
GI-2-5 GI-2-4 Telephone Listing Updated
Flash Notices
There will no longer be a paper edition of the Flash Notices. A complete listing and a full release of the Flash Notices are available thru the ESAs Website www.esasafe.com and the CD version of the Bulletins
Index
11-01-FL Damage to Underground Conductors during Excavation-Customer Owned Services
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Safety Alerts
There will no longer be a paper edition of the Safety Alerts. A complete listing and a full release of the Safety Alerts are available thru the ESAs Website www.esasafe.com and the CD version of the Bulletins
Index
10-23-AL The Electrical Safety Authority Warns of Unapproved Straightening Irons11-01-AL Intertek warns of Incredible Nails Set Bearing an Unauthorized ETL Listing Mark11-02-AL UL Warns of Class 2 Power Units Bearing Unauthorized UL Marks11-03-AL UL Warns of Electrical Metallic Tubing (EMT) Elbows and Bends With Inadequate Corrosion
Protection11-04-AL Intertek Testing Services Warns Consumers of Turboion Croc Designer Ceramic Ball Hair
Dryer11-05-AL UL Warns of Electric Signs with Unauthorized UL Marks11-06-AL ESA warns Consumers and Chiropractic Professionals of Unapproved Chiropractic
Equipment11-07-AL Intertek Testing Services Warns Consumers of HerStyler products bearing an Unauthorized
F(7/XV&HUWLFDWLRQ0DUN11-08-AL The Electrical Safety Authority Warns Consumers about LED Pool Lights Sold by Executive
Pools & Spas11-09-AL UL Warns of Hair Straightener Flat Iron with Unauthorized UL Marks for Canada
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Recalls
There will no longer be a paper edition of the Recalls. A complete listing and a full release of the recalls are available thru the ESAs Website www.esasafe.com
Index
RCL10-61 The Home Depot Canada Recalls Holiday Light Strings Due to the Potential Risk for Shock or Fire
RCL10-62 Diogen Lighting Recalls Westinghouse LED String Lights Sold by Zellers Due to the Potential Risk for Shock or Fire.
RCL10-63 XS Cargo Recalls Electric Food SlicerRCL10-64 UPM Marketing Recalls Line Voltage ThermostatsRCL10-65 Ryobi Recalls RTS20 Ten-Inch, Portable Table-Saw Due to Injury HazardRCL10-66 Extech Instruments Corporation Recalls Clamp Meters and Multimeters due to Shock HazardRCL10-67 Haier America Trading, L.L.C. Recalls Chest Freezer Sold in US Only Due to Fire
HazardRCL10-68 American Tack and Hardware Co. Inc. (AmerTac) Recalls Forever-Glo Cylinder Nite Lites Due
to Fire and Burn HazardRCL11-01 Cilek Canada Recalls Biconcept Racecar BedRCL11-02 Wal-Mart Canada Corp. Recalls Durabrand Panini Maker Due to Laceration HazardRCL11-03 Wal-Mart Canada Corp. Recalls Durabrand Sandwich Maker Due to Laceration HazardRCL11-04 Sonias Salon & Spa Systems Recalls Spa EquipmentRCL11-05 Wal-Mart Stores Inc. Recalls Electric Heaters Due to Fire and Burn HazardRCL11-06 Makita Recalls Portable Gas Generators Due to Fire HazardRCL11-07 Schneider Electric Recalls Xantrex GT Series Single-Phase Grid Tie Solar InvertersRCL11-08 Metal Ware Recalls Food Dehydrator Due To Fire HazardRCL11-09 Hoover Inc. Recalls WindTunnel Bagless Canister VacuumsRCL11-10 AmerTac Recalls Night Lights Due to Fire and Burn HazardRCL11-11 Canadian Tire Voluntarily Recalls the Yardworks 950W GeneratorRCL11-12 Schneider Electric Canada recalls 9001SKRU Multi-Speed Push Button Units due to the
possibility of Misoperation5&/ *XDQJGRQJ.HORQ$LU&RQGLWLRQHU&R/WG5HFDOOV'HKXPLGLHU'XHWR)LUH+D]DUGRCL11-14 Groupe SEB Canada Inc. Recalls T-fal Maxi Fry Deep Fryer Due to Potential Fire HazardRCL11-15 Liebherr Recalls Built-In Refrigerators Due to Injury Hazard; Door Can DetachRCL11-16 R.E Royal Trading Inc. recalls Curling Irons and Flat Irons5&/ 2QWDULR1DWXUDO)RRG&RRS5HFDOOV%OXHV%XVWHU/LJKW%XOEVLQFDQGHVFHQWDQGFRPSDFW
XRUHVFHQW
Specs
A full release of the Specs will be available thru the ESAs Website www.esasafe.com
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How to Use These Bulletins
What are they?
The Ontario Electrical Safety Code is a regulation that applies to all types of electrical installations. Unavoid-ably, it is sometimes written in a general fashion. Differences of opinion arise on how one should interpret the FRGHIRUVSHFLFFLUFXPVWDQFHV%XOOHWLQVDUHLQWHUSUHWDWLRQVRIWKH2QWDULR(OHFWULFDO6DIHW\&RGH
+RZWRXVHDQGOHWKHP"
0RVWRIWKHLQWHUSUHWDWLRQVDSSO\WRDVSHFLFUXOHRUJURXSRIUXOHVZKLFKDUHLGHQWLHGLQVSHFLFEXOOHWLQV0DQ\XVHUVQGLWKHOSIXOWRPDUNWKDWUXOHLQWKHLUFRGHZLWKDVSHFLDOPDUNHJD%IRUEXOOHWLQWRUHPLQGthem there is an interpretation issued concerning that rule. To assist, we have added the Rule number and Ontario Electrical Safety Code page to the titles.
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Please refer to the table on the front page as it lists the changes for each bulletin. All changes in the bulletins are Italic and underlined. In addition, there will be a vertical line in the left margin beside those portions that have changed since the bulletins were last issued.
:KDWLVWKHVLJQLFDQFHRIWKHEXOOHWLQQXPEHUV"
8VLQJ%XOOHWLQDVDQH[DPSOHWKHUVWQXPEHUVLJQLHVWKHEXOOHWLQFRQFHUQV6HFWLRQRIWKHFRGH7KHVHFRQGQXPEHUVLJQLHVWKHEXOOHWLQLVWKHWKHYHUZULWWHQFRQFHUQLQJ6HFWLRQ6RPHEHFDPHREVR-lete, and thus there are gaps in the sequence of this middle number. The Index contains an up-to-date list of EXOOHWLQVLQHIIHFW7KHWKLUGQXPEHUVLJQLHVWKHEXOOHWLQLVWKHIRXUWKUHYLVLRQRIWKLVSDUWLFXODU%XOOHWLQ
:KHUHDEXOOHWLQUHIHUHQFHVDQRWKHUEXOOHWLQOLNHWKHODVWGLJLWZLOOVKRZDVDQDVWHULVNLH7KLVLVGRQHWRLQGLFDWHWKHUHIHUHQFHLVWRWKHODWHVWHGLWLRQRIEXOOHWLQ
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Ontario Electrical Safety Code - Bulletins
ContentsElectrical Inspection Bulletins May 2011
Bulletin1XPEHU
Title Date Reference Rule
Section 00-3-4 Errors and Omissions in 2009 Ontario
Electrical Safety CodeMay-11 Update
Section 22-3-13 Inspection process May-09 2-004, 2-0052-5-3 &LUFXLWLGHQWLFDWLRQ May-09 2-100(3)2-7-27 Approval of electrical equipment Jan-10 2-022, 2-0242-8-6 Combustible electrical wiring and cables May-09 2-1262-9-4 Working space about electrical
equipmentApril-10 2-308, 2-310
2-10-7 Electrical equipment near combustible gas equipment
Jan-10 2-322
2-11-18 3ODQVDQGVSHFLFDWLRQV Oct-10 2-0102-12-9 7UDIFVLJQDOV\VWHPV April-10 2-024(3), 10-400, 10-404, 12-526,
12-1122, 12-1166, 12-1514 and 16-200
2-14-5 Guidelines on reporting serious electrical accidents
May-09 2-007
2-15-1 (6$LQVSHFWLRQUHTXLUHPHQWVIRUUHalarm systems
May-09 2-003, 2-004
2-16-2 Appeals under the OESC process July-09 2-0182-18-1 ,GHQWLFDWLRQRIHOHFWULFDOLQVWDOODWLRQVLH
buildings, lots and services)May-09 2-004(5)
2-19-2 Panel board and breaker replacement May-09 2-0342-20-1 6KRFNDQGDUFDVKSURWHFWLRQ May-09 2-3062-21-0 Electrical installations that are not
compliant with the Ontario Electrical Safety Code
July-09 2-018, 2-030
Section 44-3-6 Sizing of neutral conductors July-09 4-0224-5-10 ,GHQWLFDWLRQDQGFRORXULQJRILQVXODWHG
conductors and cablesMay-09 4-028, 4-030, 4-036
4-7-8 Cable ampacities May-09 4-0044-8-4 Diesel locomotive, industrial motor lead
cable (DLO)May-09 4-006
4-11-2 Size of cables in underground services May-09 4-004 and 14-104Section 66-1-13 Consumers services May-09 6-206, 6-300, 6-312, and 2-130
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6-3-5 Dual lugged and multiple meter mounting bases
May-09 6-104, 6-200
6-5-1 Service to public transit shelters, WHOHSKRQHERRWKVVLJQV&$79DPSOLHUVand etc.
May-09 6-200, 6-206
6-7-3 Hot splitters/Tapping existing services July-10 6-200, 6-212 and 12-3032
6-8-1 Transformer rated, meter mounting equipment
May-09 6-100
Section 88-3-6 Services and feeders for residential
occupanciesMay-11 8-200, 8-202
8-4-1 Feeder sizing for portable classrooms May-09 8-204Section 1010-10-5 Grounding of the neutral of a generator May-09 10-204(1)(c) and 10-206(2)10-11-4 Grounding electrodes and conductors May-09 10-700, 75-40610-14-5 Bonding of non-electrical equipment July-10 10-400, 10-406 and 10-81410-15-1 System grounding in a meter base May-09 10-204 and 10-81210-16-1 Grounding & bonding requirements for
deep well submersible pumps installed in wells with metal casings
May-09 10-700 and 26-954(d)
10-17-2 Entry of system ground conductors into service entrance rated combination panel boards
May-09 10-806
10-18-1 Grounding the primary side neutral on wye-delta connection
May-09 10-106
10-20-2 Grounding of portable generators May-09 10-204 and 10-20610-21-1 &ODULFDWLRQRIJURXQGLQJFRQGXFWRUVL]H Jan-10 10-812 and 10-70210-22-0 Requirements for converting a delta
service to a grounded wye serviceOct-10 10-204, 10-812, 4-022, 4-026,
4-028, 14-012, 14-102Section 1212-2-15 Marking of underground installations and
cables for submarine useMay-09 12-012
12-7-12 Entry of single conductors to metal enclosures
May-09 4-008, 12-3022(7) and 18-062
12-19-10 Nonmetallic sheathed cables wiring methods
April-10 2-034, 2-200, 4-004, 12-500 to 12-526 and 12-3012
12-20-2 Wiring for log type construction May-09 12-10012-21-4 1RQPHWDOOLFH[LEOHUDFHZD\V May-09 12-1300, 12-150012-25-1 Unused Wiring (Abandoned or
Redundant)May-09 2-126, 12-114 and 12-3000
12-26-2 Conductors over portable classrooms May-09 12-31012-29-1 Raceways installed underground or
where moisture may accumulateMay-09 12-928(1)
12-30-2 Support of free-air vertical drops of EMT July-09 12-140412-31-0 Application of Appliance Wiring Material
(AWM)Jan-10 12-100
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12-32-0 Use of RA90, ACWU90 and TECK90 Cables in Underground Raceways
Oct-10 12-614, 12-902, 12-1014 and Table 19
Section 1414-1-1 Conductor sizes for adjustable trip circuit
breakersMay-09 2-100 and 14-104
14-2-6 Using the primary protection of a trans-former to protect a panel board
Jan-11 14-606, 26-256
14-4-1 Interrupting and withstanding rating May-09 14-012, 14-014 and 2-03414-5-1 %DFN)HHGLQJRIPRXOGHGFDVHFLUFXLW
breakers and panelboards May-09 14-418
14-6-1 Ground fault protection May-09 14-102Section 1818-1-15 &ODVVLFDWLRQRI+D]DUGRXV/RFDWLRQV May-09 18-00418-4-5 &ODVVLFDWLRQRIZRRGZRUNLQJSODQWV May-09 18-00418-7-0 Hazardous locations equipment approval
requirementsMay-09 18-050, 2-024, 2-034
Section 2020-1-2 Wiring in commercial garages, repairs
and storageMay-09 20-102(5) and 20-108(2)
20-3-1 &ODVVLFDWLRQRIYHKLFOHVKRZURRPV May-09 20-102(5)20-4-1 Wiring methods for diesel fuel dispensers
located in hazardous areasMay-09 20-002, 20-004
20-5-1 Automotive teaching areas of educational facilities
May-09 20-100 and 20-400
Section 2222-1-4 Residential sewage lift pumps May-09 22-100 and 28-60422-2-2 Wiring in Category I locations where
excessive moisture in the form of vapour or liquid is likely to be present
May-09 Section 22
22-3-3 (OHFWULFDO(TXLSPHQWLQ&RQQHPHQWBarns
Oct-09 22-002, 22-100, 22-200-22-204, 22-300 and 22-400
22-4-0 Alternative wiring methods for sewage lift and treatment plants
May-09 18-004 and 22-700 to 22-710
Section 2424-1-4 Wiring in patient care areas May-09 24-10424-2-2 &ODVVLFDWLRQRISDWLHQWFDUHDUHDV May-09 24-00024-7-1 Home dialysis units located in residential
occupanciesMay-09 24-106
24-8-0 Essential electrical systems and life safety systems in patient care areas
Oct-09 24-300, 24-302, 46-002 and 46-108(5)
Section 2626-13-11 Receptacles in washrooms and bath-
roomsMay-09 26-700(11), 26-710(f),
26-14-4 Electric range installations May-09 26-712, 26-742 and 26-74426-15-2 Disconnect switch location for furnaces
and ground source heat pumpsMay-09 26-806, 28-604
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26-18-5 Arc fault interrupter (AFCIs) in sleeping facilities of a dwelling unit
May-11 26-722
26-20-2 Panel boards Location, Working Space and Mounting Height
May-09 26-402, 2-308, 2-310, and 6-206
26-22-1 Sprinklered equipment May-09 26-00826-23-1 Receptacle requirements in kitchens of
dwelling unitsJan-10 26-712(d)
26-24-0 Heating Ventilating Air Conditioning (HVAC) Installations
Jan-10 2-004, 12-1302, 12-610, 12-618, 12-010, 12-112, 26-750, 26-806, 28-604
26-25-0 Tamper-Resistant Receptacles April-10 26-712(g) and 26-712(h)26-26-0 5HFHSWDFOHVIRUXQQLVKHGEDVHPHQWV
utility rooms and laundry rooms/areas in residential occupancies
April-10 26-710(e), 26-720(b) and 26-720(c)
Section 2828-1-2 Manual motor controllers May-09 28-602(3)Section 3030-4-9 /LJKWLQJ[WXUHVLQRURQVXVSHQGHGFHLO-
ingsJan-10 30-302(1)
30-6-6 Installation of recessed luminaires, re-placement surface mount luminaires
Jan-11 30-408, 30-900 to 30-910
30-11-1 Fluorescent luminaires - disconnecting means
May-09 30-308(4)
30-12-0 Luminaires in buildings of residentialoccupancy
May-11 2-034, 12-3000, 14-010, 26-722, 30-318, 30-500, 30-502 and30-504
Section 3232-3-4 $HULDOFDEOHIRUUHDODUPWRSRUWDEOH
classroomsJan-10 12-300 to 12-318 and 32-100
32-5-0 ,QVWDOODWLRQRIUHSXPSV July-09 32-204, 32-206 and 32-212Section 3636-1-23 Plan submissions for high voltage instal-
lationsMay-09 2-010 and Section 36
36-3-3 Visible isolation High potential installa-tions
May-09 36-214
36-5-9 Isolation of live parts in stations May-09 36-11036-6-19 The installation of tamper resistant
transformers kiosks, tamper resistant pad mounted transformers, pad mounted WUDQVIRUPHUVDQGOLTXLGOOHGHTXLSPHQWin proximity to building
May-09 2-024, 26-010, 26-014, 26-242, 26-300 to 324, 36-006 and 36-300 to 310
36-8-7 Lightning arrester application May-09 26-500 36-000, 36-308(2)(c)36-10-15 High voltage grounding and bounding May-09 36-300 to 36-31236-11-4 Disconnecting means for transformers May-09 26-250, 14-402, 36-204 and 36-
20836-12-2 Loop feeder & ring buss May-09 36-204, 36-208, 14-414, 14-502
14-506 and 26-250
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36-15-4 High voltage equipment standards /Transformer cooling fan/ Transformer designations
May-09 36-110, 2-024(4) and 26-010
36-16-1 Cable insulation (voltage) ratings May-09 36-10036-17-2 Disconnecting mean and overcurrent
protection for customer-owned high voltage installations
May-09 36-000 and 36-204
Section 4646-1-5 Emergency lighting unit equipment May-09 46-30446-4-2 Emergency power supply wiring and
overcurrent protectionApril-10 46-000, 46-108(5), and 46-206
Section 5050-1-1 Installation of Solar Photovoltaic Systems May-11 Section 50; Rules: 84-020, 84-
024, 84-030; Tables 11 and 1950-2-2 Grounding and bonding of solar photovol-
taic systemsJan-11 10-102, 10-204, 10-208, 10-400,
10-702, 10-808, 10-814; Tables 16 and 17
50-3-0 Voltage rating of a photovoltaic source circuit
May-11 50-006
Section 6868-7-7 Swimming pool, hot tub and spa
installationsMay-11 Section 68
Section 7575-3-4 Surface attachments methods for mast
UHWURWV2YHUKHDGFRQGXFWRUVXSSRUWJan-11 75-324, 6-112
75-6-0 Roadway lighting systems May-09 2-024, 2-132, 8-102, 30-1002, 30-1030, 75-002, and 75-604
Section 7676-1-9 Temporary services Oct-09 76-008, 76-016 and 75-248(3)Section 8484-1-6 Interconnection of electric power
production sourcesOct-10 Section 84 and Rule 2-010
84-2-0 Renewable generation point of connec-tion
Jan-11 14-010, 14-100, 14-414 and 14-606
Telephone ListingGI-2-5 Electrical Safety Authority Telephone
ListingsMay-11
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Page 1 of 5
Bulletin 0-3-4(UURUVDQGRPLVVLRQVLQ2QWDULR(OHFWULFDO6DIHW\&RGH
Issued May 2011Supersedes Bulletin 0-3-3
Scope
The intent of this Bulletin is to recognize errors and omissions in the 2009 Ontario Electrical Safety Code. Please, mark in your Code Book.
(1) Section 10 (2) Section 12 (3) Section 14(4) Section 18 (5) Section 58 (6) Section 75(7) Tables (8) Appendix B(9) Appendix D(10) Appendix G(11) Appendix J
(1) Section 10
Rule 10-618 $GGVHH$SSHQGL[%WRWLWOH
(2) Section 12
5XOHE7KHUHIHUHQFHWR5XOHEVKRXOGUHDGQRWZLWKVWDQGLQJWKHUHTXLUHPHQWVRI6XEUXOH (3) (4)
(3) Section 14
Rule 14-418$GGVHH$SSHQGL[%WRWLWOH
(4) Section 18
Rule 18-004 $GGVHH$SSHQGL[%WRWLWOH
(5) Section 58
Rule 58-000 $GGVHH$SSHQGL[%WRWLWOH
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Page 2 of 5
Rule 58-300 $GGVHH$SSHQGL[%WRWLWOH
(6) Section 75
Rule 75-6047KHUHIHUHQFHWR5XOHVWRVKRXOGUHDG5XOHVWR
Rule 75-606 (2)7KHUHIHUHQFHWRDVVSHFLHGLQ7DEOHVKRXOGUHDGDVVSHFLHGLQ7DEOH
7DEOHV
7DEOH5HYLVHUHIHUHQFHUXOHVWRUHDG6HH5XOHVDQG
7DEOH8QGHU&RQGLWLRQVRIXVH)RUVHUYLFHHQWUDQFHDERYHJURXQGDQG7UDGHGHVLJQDWLRQ$UPRXUHGFDEOHUHIHU-ence note 16 applies to AC90, not ACWU90.
Table 19 Add Reference Note 2 to entry for Teck Cable as shown:
Table 19 Allowable temperature for Type ACIC and SW-ACIC in wet locations is 90 C:
Table 37 Delete commas after enclosed (two places)
(8) Appendix B
Appendix B note for Rule 2-102:Replace moulded switch with moulded case switch (two places).
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Page 3 of 5
Revise text ...levels greater then than those for...
Appendix B note for Rule 10-206, Notes to Figure 5:In Note (a), replace [see Rule 10-206(1)(c)] with [see Rule 10-206(1)(a)(ii)] In Note (b), replace [See Rules 10-206(3) and 10-702(b)] with [See Rule 10-702(b)]
Appendix B note for Rule 10-812Delete one arrow in Figure 7:
Figure 77KUHHSKDVHZLUHXQJURXQGHGGHOWDV\VWHP
Appendix B note to Rule 14-4187KHWHUPXQLWUHIHUVWRLQGLYLGXDODUHDVVXFKDVIRXQGLQVKRSSLQJPDOOVRUVLPLODUDUHDV7KHWHUPXQLWGRHVQRWDSSO\WRWKHEUHDNGRZQRIRIFHVSDFHLQRIFHWRZHUVWRDFFRPPRGDWHYDULRXVWHQDQWV
Appendix B note for Rules 18-050 and 18-066Temperature and gas groups table.
Note (2) should read as notes (2) and (3):(2) This substance is not listed in IEC 60079-20.(3) The name is incorrectly stated in IEC 60079-20 as 1,2-epoxypropene. Propyleneoxide is also known as 1,2-epoxypropane.Minimum ignition temperature for gasoline should read 280 C.
Appendix B note to Rule 18-150 'HOHWHQRWHWKDWUHDGV5XOH$JURXSRIWKUHHIXVHVSURWHFWLQJ
Appendix B note to Rule 18-150(2)(e) 5HYLVHQRWHWRUHDG5XOHVH6HHWKH1RWHWR5XOH
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Appendix B note 'HOHWHQRWHWKDWUHDGV5XOHV6HHWKH1RWHWR5XOH
Appendix B Revise title for note to rule 24-106(6) to read Rule 24-106(5).
Appendix B Insert title Rule 24-106(1) above text Extent of a patient care area is outlined in CAN/CSA-Z32.
Appendix B Revise note for Rule 26-012 to read:
Rule 26-012Dielectric liquid-filled circuit breakers or switches should have their vents piped directly to an outside area in accordance with the manufacturers instructions or recommendations.
Construction criteria for service rooms are provided in Section 3.5 Articles 3.6.2.1 and 9.10.10.3 of the National Building Code of Canada. Where a service room is required by this Code, it must be separated from the remainder of the building by a fire separation having a 1 h fire-resistance rating, unless the service room is sprinklered.
Appendix B note Rule 68-0547KHJXUHVKRXOGEHUHSODFHGZLWKWKHIROORZLQJWKHFRUUHFWLRQLVLGHQWLHGLQWKHFLUFOH
Appendix B note to Rule 68-068 5HYLVHWLWOHIRUQRWHWRUXOHWRUHDG5XOH
Appendix B note to Rule 68-3065HYLVHWLWOHIRUQRWHWRUXOHWRUHDG5XOH
$SSHQGL[%QRWHIRU7DEOHVDQG5HYLVHWRUHDG5.2.1 (three places).
$SSHQGL['
7DEOH')RU$UFZHOGLQJFDEOHPD[LPXPYROWDJHUDWLQJUHYLVHQRWHWRUHDG6HH1RWH
Page 4 of 5
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Table D1Size range for Type SIS equipment wire Revise to read 14 to 4/0.
(10) Appendix G
Appendix G Revise first entry for Rule 26-012 to read:Rule 26-012 3.6.2.1.(6) and 9.10.10.3, Construction of service room required by Canadian Electrical Code, Part I
(11) Appendix J
'LDJUDPV-'-'Revise diagram references to Zone 1 & 2 to read Division 1 & 2 respectively.
Annex JB Table following the note for Rule JB18-062: Minimum ignition temperature forgasoline should read 280 C.
Index revise entries as shown:Equipment, space for 2-122 2-308Voltage, drop 8-102, Table D3, Table D4
Page 5 of 5
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-3-13
Page 1 of 2
Bulletin 2-3-13Inspection process
Rules 2-004 and 2-005 ,VVXHG0D\
Supersedes Bulletin 2-3-12
Scope
(1) Additions and alterations to existing installations(2) Rough wire inspection requirements
(1) Additions and alterations to the existing installations
Contractors shall comply with the requirements of Rules 2-004 and 2-005 of the Ontario Electrical Safety Code, especially regarding additions and alterations to existing installations.
Question 1'RHV5XOH%DVLFH[HPSWLRQDSSO\WRWLPHVKDUHXQLWV"
Answer 1No
Rationale 15XOHVWDWHVLQDQRZQHURFFXSLHGVLQJOHGZHOOLQJ6LQJOHGZHOOLQJDVGHQHGLQWKH2(6&PHDQVDdwelling unit consisting of a detached house, one unit of row housing, or one unit of a semi-detached, duplex, WULSOH[RUTXDGUXSOH[KRXVH7KLVGHQLWLRQH[FOXGHVDSDUWPHQWEXLOGLQJVODUJHUWKHQDTXDGUXSOH[DVZHOODVcondominium type buildings. Time share type units are not typically owner occupied. Time share condos are FRPPHUFLDOSURSHUWLHVRZQHGDQGUXQE\DFRUSRUDWLRQ7KHFRQGRRZQHURZQVDSLHFHRIWKHFRUSRUDWLRQ
Direction 1Rule 2-005 does not apply to a time share type units, where the units are intended to be rented to the public, RUH[FKDQJHGWRRWKHUVRQDVKRUWWHUPEDVLVRURWKHUVWUXFWXUHVQRWLQFOXGHGLQWKHGHQLWLRQRIDVLQJOHdwelling.
Question 2'RHVUXOHLQFOXGHWKHUHSODFHPHQWRIUHFHSWDFOHVLQNQREDQGWXEHDVZHOODOXPLQXPLQVWDOODWLRQV"
Answer 2
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-3-13
Page 2 of 2
5RXJKZLUHLQVSHFWLRQUHTXLUHPHQWV
7KHTXHVWLRQLVRIWHQDVNHGZKDWZRUNLVUHTXLUHGWREHFRPSOHWHGIRUDURXJKLQRUURXJKZLUHLQVSHFWLRQ"
DirectionThe following are required to be completed at the time of a rough wire inspection.
v All cables shall be installed, strapped and supported as required.v All required outlet boxes shall be installed and securely fastened.v All cables shall have their outer jacket removed and be terminated in outlet boxes where an outlet box will
be required for the wiring device, luminaire, or equipment.v All bonding connections shall be completed at all outlet boxes including provision of a bonding conductor
IRUQDOFRQQHFWLRQZKHUHUHTXLUHGWRDZLULQJGHYLFHOXPLQDLUHRUHTXLSPHQWv Any joints or splices in the wiring at outlet boxes shall be completed.v Protection plates to be installed where required. v 1RZLULQJVKDOOEHFRQFHDOHGE\LQVWDOODWLRQRILQVXODWLRQRURRUZDOODQGFHLOLQJPDWHULDOVXQWLODXWKR-
rized by an inspector.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-5-3
Bulletin 2-5-3 &LUFXLWLGHQWLFDWLRQ
Rules 2-100(3),VVXHG0D\
Supersedes Bulletin 2-5-2
Background%HFDXVHRIWKHLQFUHDVLQJFRPSOH[LW\RIUHVLGHQWLDOZLULQJWKHUHLVDQHHGIRULQFUHDVHGFLUFXLWLGHQWLFDWLRQ,GHQWLFDWLRQRIDOOVSHFLDOFLUFXLWVLQUHVLGHQWLDOLQVWDOODWLRQVWKDWFDQEHGHVFULEHGDFFXUDWHO\LQDIHZZRUGVis required. In particular, circuits to ranges, dryers, water heaters, furnaces, kitchen split receptacles, electric KHDWLQJODXQGU\URRPUHFHSWDFOHVHWFVKDOOEHLGHQWLHGLQWKHSDQHOERDUGZLWKWKHQDPHRIWKHGHYLFHVXS-plied and the permitted maximum rating of the overcurrent device (where fuses are used).
Where special fuses (e.g., Type P, Type D, HRC Form 1) are required, the fuse type shall be shown adjacent to the permitted maximum rating of the fuse.
Question,VDSDQHOVFKHGXOHUHTXLUHGZLWKGHWDLOVRIZKHUHWKHFLUFXLWVDUHXWLOL]HG"
AnswerYes, the Code requires that at each distribution point, circuit breakers, fuses, and switches shall be marked, adjacent to, in a conspicuous and legible manner to indicate clearly which installation or portion of installation WKH\SURWHFWRUFRQWURO&LUFXLWVQHHGWREHSURSHUO\LGHQWLHGHJ6WRYHZDVKHUGU\HUPLFURZDYHGLVK-ZDVKHURXWVLGHUHFHSWDFOH&LUFXLWVWKDWVXSSO\VPRNHDQGRU&2GHWHFWRUVVKDOOEHFOHDUO\LGHQWLHGHJKDOOOLJKWVVPRNHGHWHFWRU
,WLVQRWDFFHSWDEOHWRPDUNDOOJHQHUDOFLUFXLWVDV/LJKWV3OXJV$OWKRXJKLWLVGLIFXOWWRH[DFWO\GHVFULEHgeneral lighting and receptacle circuits, an attempt should be made, e.g. basement, living/dining room, bed-room receptacles etc.
Page 1 of 1
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-7-27
Page 1 of 4
Bulletin 2-7-27$SSURYDORIHOHFWULFDOHTXLSPHQW
Rules 2-022 and 2-024Issued January 2010
Supersedes Bulletin 2-7-26Scope
(1) Approval requirements D 5HFRJQL]HGFHUWLFDWLRQPDUNV E 5HFRJQL]HGHOGHYDOXDWLRQPDUNV
(c) Recognized component marks(2) Approval of devices on class 2 circuits
$SSURYDOUHTXLUHPHQWV
7KH2QWDULR(OHFWULFDO6DIHW\&RGHDQG2QWDULR5HJXODWLRQUHFRJQL]HFHUWLFDWLRQRUJDQL]DWLRQVDF-credited by the Standards Council of Canada to approve electrical equipment (Rule 2-024). Only equipment bearing one of the marks or labels shown in the following tables is approved.
To meet the requirements of the Ontario Electrical Safety Code, equipment must be approved to Canadian VWDQGDUGV7KLVLVVLJQLHGE\WKH&RXWVLGHWKH&XUWLV6WUDXVV(QWHOD(7/)0$SSURYDOV/&0(71HPNR16),QWHUQDWLRQDO201,4$,789$PHULFD7895KHLQODQGDQG8/PDUNV7KHF8/XVVKRZQwith one Underwriters Laboratories mark, indicates the equipment with those marks is also compliant with United States standards.
8QGHUZULWHUV/DERUDWRULHVPDUNZLWKRXWWKHFDWWKHHLJKWRFORFNSRVLWLRQLQGLFDWHVWKHHTXLSPHQWLVFRPSOL-ant with United States standards.
, CE mark, is manufacturer self-declaration mark and is not recognized in Canada.
Note 1)RUWKHPRVWXSGDWHGOLVWRIUHFRJQL]HGFHUWLFDWLRQDQGHOGHYDOXDWLRQPDUNVDQGFHUWLFDWLRQRUHOGHYDOX-ation agency info, visit the Electrical Product Safety section of www.esasafe.com.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-7-27
Page 2 of 4
D5HFRJQL]HGFHUWLFDWLRQPDUNV
Canadian Standards Association (CSA)
Curtis Strauss Entela
)0$SSURYDOV
Intertek Testing 6HUYLFHV
/DEWHVW&HUWLFDWLRQ(LC)
0HW/DERUDWRULHV(MET) 1HPNR
NSF International201,
(QYLURQPHQWDO6HUYLFHV,QF
Quality Auditing Institute QPS
789$PHULFD TUV Rheinland
Underwriters /DERUDWRULHVRICanada (ULC
Underwriters /DERUDWRULHV,QF
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-7-27
Page 3 of 4
E5HFRJQL]HGHOGHYDOXDWLRQPDUNV
Canadian Standards Association (CSA)
Electrical Safety Authority (ESA)
See Note 2
Entela
See Note 2
Intertek Testing 6HUYLFHV
0(7/DERUDWRULHV
1HPNR
QPS
See Note 2
789$PHULFDUnderwriters/DERUDWRULHVRICanada (ULC)
Note 23$1(/21/
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-7-27
Page 4 of 4
F5HFRJQL]HGFRPSRQHQWPDUNV
Canadian Standards Association (CSA)
8QGHUZULWHUV/DERUD-tories Inc. (UL)
Note 3Electrical components bearing these marks may have restrictions on their performance or may be incomplete in construction, and are intended to be used as part of a larger approved product or system. The recognized component marks are found on a wide range of products, including some switches, power supplies, printed wiring boards, some kinds of industrial control equipment and thousands of other products..
$SSURYDORIGHYLFHVRQFODVVFLUFXLWV
Electrical equipment does not require approval if it is connected to the load side of an approved class 2 power supply whose power output does not exceed 100 VA and is operating at less than 42.4 V peak or dc with the exception of(i) luminaires, decorative lighting strings, signs or displays with incandescent or halogen lamps;(ii) luminaires, decorative lighting strings, signs or displays incorporating a ballast with operating voltages
greater than 42.4 volts peak or 42.4 DC;(iii) electromedical equipment;LY HTXLSPHQWIRUKD]DUGRXVORFDWLRQVDVGHQHGXQGHU2(6&6HFWLRQVDQGRIWKH&RGHRU(v) equipment that incorporates heating elements.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-8-6
Bulletin 2-8-6&RPEXVWLEOHHOHFWULFDOZLULQJDQGFDEOHV
Rule 2-126,VVXHG0D\
Supersedes Bulletin 2-8-5Scope
(1) Flame spread requirements for electrical wiring and cables with combustible outer jackets(a) Ontario Building Code Part 3 buildings(b) Ontario Building Code Part 9 buildings
(2) Removal of abandoned electrical wire and cables from plenum chambers(3) Flame Spread Ratings Where the Wires and Cables are Part of Equipment
)ODPHVSUHDGUHTXLUHPHQWVIRUHOHFWULFDOZLULQJDQGFDEOHVZLWKFRPEXVWLEOHouter jackets
BackgroundRule 2-126 Flame Spread Requirements for Electrical Cables and Wiring states that all wiring and cables in-VWDOOHGLQEXLOGLQJVVKDOOPHHWWKHDPHVSUHDGUHTXLUHPHQWVRIWKH2QWDULR%XLOGLQJ&RGHDOWKRXJKWKH5XOHVWDWHV1DWLRQDO%XLOGLQJ&RGHRI&DQDGDLQ6HFWLRQWKDWWHUPLVGHQHGWRPHDQ2QWDULR%XLOGLQJ&RGH
There has been confusion on what ratings are required, and this bulletin has been prepared to deal with the common questions. The Appendix B note to Rule 2-126 provides the applicable building code article number UHIHUHQFHVIRUDPHVSUHDGUHTXLUHPHQWV7KHDPHVSUHDGUHTXLUHPHQWVRIWKH2QWDULR%XLOGLQJ&RGHDUHGLYLGHGLQWRWZRFDWHJRULHV
Part 3 buildingsPart 9 buildings
D2QWDULR%XLOGLQJ&RGH3DUW%XLOGLQJV
7DEOH%RQWKHIROORZLQJSDJHOLVWVWKHPDUNLQJVRIFDEOHVRUZLUHVWRPHHWWKHPLQLPXPDPHVSUHDGUH-TXLUHPHQWVRI3DUWRIWKH2QWDULR%XLOGLQJ&RGH7\SHVRIEXLOGLQJVLQFOXGHGDUHD $OOEXLOGLQJVXVHGIRU
Group A, assembly occupanciesGroup B, care or detention occupanciesGroup F, Division 1, high hazard industrial occupancies
(b) All buildings exceeding 600 square meters (6460 sq. ft.) in building area or exceeding 3 stories in building KHLJKWXVHGIRUPDMRURFFXSDQFLHVFODVVLHGDVGroup C, residential occupanciesGroup D, business and personal services occupanciesGroup E, mercantile occupanciesGroup F, Divisions 2 and 3, medium and low hazard industrial occupancies)RUIXUWKHUFODULFDWLRQUHIHUWRWKH2QWDULR%XLOGLQJ&RGH
Page 1 of 3
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-8-6
7DEOH%3DUWEXLOGLQJV
1 IF the building is... AND the cables or wires are routed...
THEN the markings of cables or wires to meet WKHPLQLPXPDPHVSUHDGrequirements are...
2 permitted to be of combustible construction
anywhere EXCEPT an air han-dling plenum (see row 6)
FT1 (OBC 3.1.4.3).
3 required to be of non-combus-tible construction
under a raised computer room RRU
FT1 (OBC 3.1.5.21).
4 required to be of non-combus-tible construction
DQ\ZKHUH(;&(37(a) an air handling plenum, (see row 6)or(b) in a service room separated from the remainder of the build-LQJE\UHVHSDUDWLRQKDYLQJQRWless than a 1 hour rating (see row 5)
FT4 (OBC 3.1.5.18).
5 required to be of non-combus-tible construction
in a service room separated from the remainder of the build-LQJE\UHVHSDUDWLRQKDYLQJQRWless than a 1 hour rating
not required (OBC 3.1.5.17).
6 EITHER combustible or non-combustible construction
in an air handling plenum FT6 or 1C FT4 (OBC 3.6.4.3).
Note::LUHVRUFDEOHVZLWKFRPEXVWLEOHRXWHUMDFNHWVRUVKHDWKVWKDWGRQRWPHHWWKHFODVVLFDWLRQVRIWKLVWDEOHPXVWEHlocated in non-combustible raceways, concealed spaces in walls or concrete slabs.
E2QWDULR%XLOGLQJ&RGH3DUW%XLOGLQJV
3DUWDSSOLHVWREXLOGLQJV(a) of 3 storeys or less in building height;(b) having a building area not exceeding 600 square meters (6460 sq. ft.); andF XVHGIRU
Group C, residential occupanciesGroup D, business and personal services occupanciesGroup E, mercantile occupanciesGroup F, Divisions 2 and 3, medium and low hazard industrial occupancies
)RUIXUWKHUFODULFDWLRQUHIHUWRWKH2QWDULR%XLOGLQJ&RGH
Cables or wires installed in Part 9 buildings other than dwelling units shall be marked as a minimum FT1. (OBC 9.34.1.5)
&DEOHVRUZLUHVLQVWDOOHGLQFRQFHDOHGVSDFHVLQDRRURUFHLOLQJDVVHPEO\WKDWDUHEHLQJXVHGDVDSOHQXPin a Part 9 buildings other than a dwelling unit shall be marked minimum FT6, except for single conductor cables which shall be marked minimum FT4. (OBC 9.34.1.5)
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-8-6
5HPRYDORIDEDQGRQHGHOHFWULFDOZLUHDQGFDEOHVIURPSOHQXPFKDPEHUV
Although not a requirement of the Ontario Electrical Safety Code, users should also be aware of the Appendix B note to Rule 2-126 and the requirements of the Ontario Fire Code to remove abandoned electrical wires and cables from within plenum spaces.
$EDQGRQHGRSWLFDOEUHFDEOHVDQGHOHFWULFDOZLUHVDQGFDEOHVZLWKFRPEXVWLEOHLQVXODWLRQMDFN-ets, or sheaths, and non metallic raceways shall be removed from a plenum unlessDWKH\DUHSHUPDQHQWO\FORVHGE\WKHVWUXFWXUHRUQLVKRIWKHEXLOGLQJEWKHLUUHPRYDOZRXOGGLVWXUEWKHVWUXFWXUHRUQLVKRIWKHEXLOGLQJRU(c) their removal could affect the performance of cables in use.
RationaleTests conducted by NBCC/NFCC indicated that the smoke produced from the FT4 and FT6 rated cables in SOHQXPVZKHQH[SRVHGWRUHFRXOGUHGXFHYLVLELOLW\IRURFFXSDQWVUHVWULFWLQJWKHLUDELOLW\WRHYDFXDWH,QDG-dition, the FT4 and FT6 rated cables also produced irritant gases that could result in incapacitation or further restrict the ability of occupants to evacuate.
7KHKD]DUGLVQRWQHFHVVDULO\UHODWHGWRDIHZFDEOHVSURSHUO\UHUDWHGORFDWHGLQWKHSOHQXPEXWWRVLJQL-cant quantities which build up with successive generations of cabling changes.
)ODPH6SUHDG5DWLQJV:KHUHWKH:LUHVDQG&DEOHVDUH3DUWRI(TXLSPHQW
4XHVWLRQVKDYHDULVHQDERXWUHTXLULQJDDPHVSUHDGUDWLQJRQWKHMDFNHWVRIZLUHVDQGFDEOHVIRUPLQJSDUWof machines. An example might be a large industrial production machine where there may be ventilated type cable tray forming part of the machine which contains control and power wiring.
Direction:LUHDQGFDEOHLQRURQHOHFWULFDOHTXLSPHQWPDFKLQHVLVQRWUHTXLUHGWRKDYHDPHVSUHDGUDWLQJVLQDFFRU-dance with the Ontario Building Code. For purposes of this ruling, wires and cables which are approved as part of the machinery are considered in or on the machinery.
:LUHDQGFDEOHZLWKFRPEXVWLEOHRXWHUFRYHULQJVZLWKLQWKHEXLOGLQJVWUXFWXUHZKLFKDUHHOGLQVWDOOHGZKLFKare not part of the approved machinery and are attached to the building or, for example, in cable trays at-tached to the building must meet Rule 2-126.
RationaleIn discussion with the Ontario Buildings Branch, the opinion given is that the building code has jurisdiction over the building structure and fabric but not over contents which do not form part of that structure or fabric.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
Page 1 of 6
%XOOHWLQ:RUNLQJVSDFHDERXWHOHFWULFDOHTXLSPHQW
Rules 2-308, 2-310 and 2-312Issued April 2010
Supersedes Bulletin 2-9-3
Scope
(1) Minimum working space around electrical equipment (2) Questions and answers about working space around electrical equipment(3) Entrance to and exit from the working space around electrical equipment
0LQLPXPZRUNLQJVSDFHDURXQGHOHFWULFDOHTXLSPHQW
The requirements of Rules 2-308 & 2-310 are particular to certain types of equipment (i.e. equipment with or without draw-out parts). To assist in application, the following table, Table B1 summarizes the application of each rule.
7DEOH%0LQLPXP:RUNLQJ6SDFH,Q)URQWRI(TXLSPHQW5XOHVDQG
EQUIPMENTRATING
EQUIPMENT WITH '5$:2873$576
EQUIPMENT WITH 12'5$:2873$576
Below1200 amps
AND at750 volts or less
1 m plus depth ofall drawout parts of the equipment
(see Note 1)Subrule 2-308(2)
1 mSubrule 2-308(1)
Either:
At or above1200 amps (regard-
less of operating Voltage)
25
Above750 volts (regardless of Amperage rating)
1.5 m plus depth of all drawout parts of the equipment (see Note 1)
Subrules 2-308(2) and 2-310(2)
1.5 m
Subrule 2-310(2)
1 m plus depth of all drawout parts of the equipment
where possible to leave the room or space around the equipment without passing a potential failure point on path to exit (see Notes 1 & 2)
Subrules 2-308(2) and 2-310(2)
1 m
where possible to leave the room or space around the equipment without passing a potential failure point on path to exit (see Note 2)
Subrule 2-308(2)
Note:1. The depth of draw-out parts required in the table above is based on the additional space that is required
for the operation of draw-out type equipment in either the connected, test, or fully disconnected position DQGVKDOOEHVXIFLHQWIRUWKHRSHQLQJRIHQFORVXUHGRRUVDQGKLQJHGSDQHOVWRDWOHDVW
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
Page 2 of 6
If the design of the equipment allows the draw-out parts to be in the connected, test, or fully disconnected position without opening the cell door, then no additional space shall be required for equipment draw-out and the measurements required by Rules 2-308 and 2-310 can be measured from the front face of the equipment.
2. For equipments rated 1200A and higher or over 750V, Rule 2-310(2) requires the minimum working space about electrical equipment mentioned in Rule 2-308(1) to be increased from 1 m to 1.5 m if a person in-side an electrical room or the space around electrical equipment can NOT leave the space without pass-ing a potential failure point on path to exit.
Where space is restricted and the working space cannot be increased to 1.5 m, as mentioned in Appendix B, then a second exit (or more if needed) in the room in different locations shall be provided such that an individual can leave the space without passing a potential failure point on path to exit. Subrule 2-310(3) FODULHVWKDWWKHSRWHQWLDOIDLOXUHSRLQWLVDQ\SRLQWZLWKLQRURQWKHHTXLSPHQW
)LJXUH%&ODULFDWLRQRI7DEOH%0LQLPXPUHTXLUHGVSDFHDURXQGHOHFWULFDOHTXLSPHQW
Notes:
'LVWDQFH;VKDOOEHGHWHUPLQHGEDVHGRQFRQGLWLRQVVKRZQRQ7DEOH%DERYH ,QDFDVHZKHUHHTXLSPHQWVDUHLQVWDOOHGIDFLQJHDFKRWKHUWKHQGLVWDQFH;VKDOOEHFRQVLGHUHGWKH
ODUJHVWRIFOHDUDQFHVUHTXLUHGE\7DEOH%LHLI(TXLSPHQWKDVFXUUHQWDQGRUYROWDJHUDWLQJVGLIIHU-HQWWKDQ(TXLSPHQWVXFKWKDWWKHUHTXLUHGPLQLPXPFOHDUDQFHDURXQGHDFKRIWKHPEDVHGRQ7DEOHB1, is different, the largest clearance measurement is required).
(3) Equipment manufacturer shall be consulted to get the distances of equipment draw out parts (referred to DV'DQG'
7KHWRWDOFOHDUDQFHVSDFHLQIURQWRIWKHHOHFWULFDOHTXLSPHQWVKDOOEHWKHDGGLWLRQRIGLVWDQFH;DQGERWKWKHGHSWKVRI'DQG'
(5) If the equipment has no draw-out parts, no additional space shall be required, as referenced in Subrule 2-308(2).
Equi
pmen
t (1)
Equi
pmen
t (2)
Equi
pmen
t (1)
Equi
pmen
t (2)
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
Page 3 of 6
(6) No minimum dimension is required behind or on the side of electrical equipments if working space is not required by Subrule 2-308(1).
4XHVWLRQVDQGDQVZHUVDERXWZRUNLQJVSDFHDURXQGHOHFWULFDOHTXLSPHQW
Question 1&DQDGU\FRUHWUDQVIRUPHUEHLQVWDOOHGRRUPRXQWHGXQGHUDGLVFRQQHFWDQGSDQHOERDUGIHGIURPLW"
Answer 1No, the Code requires a minimum working space of 1 m (39) with secure footing be provided and maintained in front of electrical equipment such as panelboards (Rule 2-308(1)).
Question 2&DQDGU\FRUHWUDQVIRUPHUEHLQVWDOOHGRRUPRXQWHGXQGHUDVSOLWWHUWKDWKDVGLVFRQQHFWVORFDWHGDERYHDQGIHGIURPLW"
Answer 2No, the Code requires a minimum working space of 1 m (39) with secure footing be provided and maintained in front of electrical equipment (Rule 2-308(1)).
Question 3&DQDGU\FRUHWUDQVIRUPHUEHLQVWDOOHGRRUPRXQWHGXQGHUDVSOLWWHU"
Answer 3Yes. The Code requires a minimum working space of 1 m (39) with secure footing be provided and main-tained in front of electrical equipment (Rule 2-308(1)). However, this requirement can be eased for equip-ments which have no renewable parts (such as fuses or switches) as in the case of a splitter installed above a RRUPRXQWHGWUDQVIRUPHUZLWKQRRWKHUVZLWFKHVRUSDQHOERDUGVDERYHWKHVSOLWWHU
Question 4'RHVWKH&RGHSHUPLWSODFLQJDQDSSOLDQFHVXFKDVDFORWKHVGU\HULQIURQWRIDQHOHFWULFDOSDQHO"
Answer 41R7KH&RGHUHTXLUHVDPLQLPXPZRUNLQJVSDFHRIPZLWKUPIRRWLQJEHSURYLGHGDQGPDLQWDLQHGLQfront of electrical equipment such as panelboards. The Code also requires that working space around electri-cal equipment be kept clear of all obstructions. (Rules 2-308 and 2-310).
Question 5When switchboard is used as service entrance equipment, what are the OESC minimum requirements for the KHDGURRPFOHDUDQFH",VLWPDVSHU5XOHRUPDVSHU5XOH"
Answer 5OESC requires the headroom clearance to be at least 2 m for consumers service equipment (as per Subrule 6-206(1)(c)). However, if that service equipment is a switchboard, where bare live parts are exposed at any time, then Subrule 2-308(4) shall apply and a headroom of 2.2 m is the minimum required.
Question 6:KDWLVPHDQWE\5XOHUHTXLUHPHQWV$PLQLPXPZRUNLQJVSDFHRIPZLWKVHFXUHIRRWLQJZKHQDSSOLHGWRSDQHOERDUGVWKDWDUHPRXQWHGRQRULQDZDOODQGUHTXLUHDFFHVVIURPRQO\WKHIURQW"
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
Page 4 of 6
Answer 6This is interpreted as meaning a space that is at least 1 m in depth in front of the panel and at least 1 m in width or the width of the panelboard, whichever is greater. In addition, OESC requires the headroom clear-ance to be at least 2 m for consumers service equipment (as per Subrule 6-206(1)(c)). The panelboard does not have to be centered in the width of the working space; it can be off center. (See Figure B2)
)LJXUH%6SDFHUHTXLUHPHQWVDURXQGSDQHOERDUGV
1RWH+HLJKWKHDGURRPFOHDUDQFHUHTXLUHPHQWVIRUSDQHOERDUGV7KHPUHTXLUHGPLQLPXPKHDGURRPFOHDUDQFHVKRZQLQWKHJXUHDERYHLVUHTXLUHGE\6XEUXOHIRUservice entrance panels. Also, in a dwelling unit, Subrule 26-402(2) requires mounting the panel as high as SRVVLEOHEXWZLWKQRRYHUFXUUHQWGHYLFHKDQGOHSRVLWLRQHGRYHUPDERYHQLVKRRUOHYHO7KHSDQHOERDUGGRHVQRWKDYHWREHFHQWHUHGLQWKHZLGWKRIWKHZRUNLQJVSDFH6HHDOVR%XOOHWLQIRUDGGLWLRQDOLQIRU-mation regarding the location of panel boards.
(QWUDQFHWRDQG([LWIURPWKHZRUNLQJVSDFHDURXQGHOHFWULFDOHTXLSPHQW
Subrule 2-310(1) requires that each room or space containing electrical equipment (such as transformers, overcurrent devices, switchgear, disconnecting means, panelboards, etc.) to have unobstructed means of egress in compliance with Ontario Building code (OBC). The purpose of this rule is to ensure that personnel have ready means of exit from an electrical room in case of an accident.
OBC requires a minimum width of 750 mm with no obstruction for egress means (OBC Articles 3.3.1.22 and 9.9.5.4.). Also, Rule 2-312 requires that passageway (exit path) and working space around electrical equip-ment to be kept clear of obstruction as shown in Figure B3.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
Figure B3, Illustration of Rule 2-312
Below are two examples of installations that do not provide a clear egress means of 750 mm and hence do not comply with 2-310 and 2-312.
3KRWR%+RWZDWHUWDQNDQGIXUQDFHHQFURDFKHVRQWKHHJUHVVIURPWKHZRUNLQJspace around electrical panel
Unobstructed width of egress shall be not less than 750 mm in width
Fixed or moveable appliance such as
furnace, water heater, washer or
dryer, etc
1 m x 1 m Min. required
working space in front of
electrical panel
Unobstructed width of egress shall be not less than 750 mm in width
Fixed or moveable appliance such as
furnace, water heater, washer or
dryer, etc
1 m x 1 m Min. required
working space in front of
electrical panel
Panelboard
Hot Water Tank
This is the only entrance to/exit
from the working space around
the panelboard. This installation
does NOT comply with OESC
Rules 2-310(1) & 2-312 as the
egress width is less than 750 mm.
Furnace
500 mm (20 inch) actual measured distance
between furnace vertical duct and the wall
Panelboard
Hot Water Tank
This is the only entrance to/exit
from the working space around
the panelboard. This installation
does NOT comply with OESC
Rules 2-310(1) & 2-312 as the
egress width is less than 750 mm.
Furnace
500 mm (20 inch) actual measured distance
between furnace vertical duct and the wall
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
3KRWR%:DVKHUGU\HUVWDFNHQFURDFKHVRQWKHHJUHVVIURPthe working space around electrical panel
Note:Installing the washer/dryer stack in the position shown violates OESC Rule 2-312 which requires the pas-sageways and the working spaces around electrical equipment to be free of obstruction and arranged to give persons ready access / egress to and from the working space.
PPLQFKDFWXDOPHDVXUHGGLVWDQFHEHWZHHQZDVKHUGU\HUVWDFNDQGWKHHGJHRIWKHGRRU
PPLQFKDFWXDOPHDVXUHGGLVWDQFHEHWZHHQZDVKHUGU\HUVWDFNDQGWKHHGJHRIWKHGRRU
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-10-7
Page 1 of 3
Bulletin 2-10-7(OHFWULFDOHTXLSPHQWQHDUFRPEXVWLEOHJDVHTXLSPHQW
Rule 2-322Issued January 2010
Supersedes Bulletin 2-10-6
Rule 2-322 states that arc producing electrical equipment shall not be installed within 1 metre of the discharge of a combustible gas relief device or vent.
4XHVWLRQVKDYHEHHQDVNHGUHJDUGLQJWKHVSHFLFW\SHVRIHOHFWULFDOHTXLSPHQWFRYHUHGE\WKHUXOH
The electrical equipment includes, but is not limited to, receptacles and switches, an air conditioning unit and related disconnecting means (which must be located within 3 m of the AC unit as per Rule 28-604(5)). This interpretation is consistent with the rules concerning the use of electrical equipment in Class 1 Zone 2 loca-tions.
Permanently installed electric metering equipment (other than metering equipment with integral internal con-tacts for recording or remote reading) is permitted to be located within 1 metre of the combustible gas relief vent.
Figures B1 & B2 illustrate two examples of installations that comply with the minimum requirements.
Figure B1
Figure B2
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-10-7
Question:Is it permitted to install arc producing electrical equipment (e.g. a/c unit) at a distance of less than 1 metre from the discharge of an approved Over Pressure Cut-Off (OPCO) combustible natural gas relief device or vent?
Answer:Yes, if an approved Limited Relief OPCO device is installed, arcing electrical devices may be installed no closer than 0.3m (12 inches) from the point of release. The over pressure relief device must be marked LR-OPCO (see the example in the photo).
Background:Under CSA standard B149.1S1.07 section 5.5.9, the clearances from relief devices installed outdoors are listed in Table 5.2. For Natural gas CSA 6.18 certified OPCO (overpressure cut-off) regulators with limited relief of (1.5m3/h) or less, the clearance from a source of ignition is 0.3m.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-10-7
On residential sites where there is very little space to locate the A/C unit and natural gas vent at 1 metre separation, the use of a natural gas certified OPCO regulator is an acceptable solution to the problem of separation. This may also be applied where there is an outdoor receptacle located at a distance of less than 1 metre from the vent.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-11-18
Bulletin 2-11-183ODQVDQGVSHFLFDWLRQV
Rule 2-010,VVXHG2FWREHU
Supersedes Bulletin 2-11-17
Scope
(1) Requirements for plan submittal :KRLVUHVSRQVLEOHIRUVXEPLWWLQJSODQV"(3) Information required :KHUHWRVXEPLWWKHSODQV"
Rule 2-010 of the Ontario Electrical Safety Code contains the requirements for the submittal of plans to ESAs Plan Review Department.
%XOOHWLQFRQWDLQVDGGLWLRQDOUHTXLUHPHQWVUHJDUGLQJKLJKYROWDJHSODQVXEPLVVLRQV
5HTXLUHPHQWVIRUSODQVXEPLWWDO
Electrical work on any electrical installation shall not commence, until plans have been submitted and exam-LQHGE\WKH,QVSHFWLRQ'HSDUWPHQWZKHUHWKHHOHFWULFDOLQVWDOODWLRQLQYROYHV(a) a three phase consumer service or stand by generation, equal to or in excess of 400 Amp circuit capacity;
(see Note 1);(b) a single-phase consumer service or stand by generation equal to or in excess of 600 Amp; (see Note 1);(c) a feeder greater than 1000 amp;(d) any installations involving consumer owned electric power generating equipment, with a rating in excess
RIN:0LFUR6L]HDVGHQHGE\WKH2(%DQGRSHUDWLQJLQSDUDOOHOZLWKDVXSSO\DXWKRULW\V\VWHPRU(e) any installation operating in excess of 750 volts, excluding
(i) installations of pole lines exclusively within the scope of Section 75; or (ii) that portion of an underground installation between a supply authority owned transformer and the
related supply authority owned switch.
:KRLVUHVSRQVLEOHIRUVXEPLWWLQJSODQV"
7KHSHUVRQUHVSRQVLEOHIRUWKHSODQGHVLJQVKDOOOHZLWKWKH,QVSHFWLRQ'HSDUWPHQWFRPSOHWHZLULQJSODQVDQGVSHFLFDWLRQVUHODWLQJWRWKHSURSRVHGZRUNDQGSD\WKH3ODQ5HYLHZIHHVDVSUHVFULEHGE\WKH,QVSHF-tion Department.
,QIRUPDWLRQUHTXLUHG
7KHSODQVDQGVSHFLFDWLRQVWKDWDUHVXEPLWWHGVKDOOFRQWDLQWKHIROORZLQJLQIRUPDWLRQZKHUHDSSOLFDEOH(a) the name and address of the person responsible for their preparation; (b) the type of building or electrical installation and the site where the work will be carried out;(c) the location of the service and distribution;(d) the supply voltage and the single line diagram of the service and distribution; H WKHORDGVWKHUDWLQJRIWKHSURWHFWLRQDQGWKHLGHQWLFDWLRQRIWKHIHHGHUDQGEUDQFKFLUFXLWVDWWKHLUUH-
spective panelboards;(f) the KVA or ampere rating, interrupting or withstand rating, ampere rating for continuous operation (80 or
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-11-18
100%) of each item of equipment;(g) the type and size of raceways;(h) the number and rating of conductors in raceways;(i) the rating of cables;M WKHW\SHRIPDWHULDOVDFFHVVRULHVRU[WXUHVLQVWDOOHGLQKD]DUGRXVORFDWLRQVDQG(k) the size and location of grounding conductors;(l) a description of underground parts of the installation; and(m) for an addition to an existing electrical installation, any information related to the existing installation
affected by the works and a report on the existing loads or the maximum demand loads of the existing installation recorded for the last twelve months; and
(n) for an electrical installation of more than 750 volts, the vertical and horizontal clearances of live parts, and a description of the grounding and of the mechanical protection of live parts.
In addition to the above, the following is required to facilitate the plan review: i. Detailed calculations for the minimum ampacity of service or feeder conductors. (Note: The calculated
minimum ampacity shall not be less than the minimum requirements of Section 8 of the Ontario Elec-trical Safety Code).
ii. 'HWDLOVLGHQWLI\LQJDQ\/LIH6DIHW\6\VWHPVDVGHQHGXQGHU5XOH7KHVHDUHWKHORDGVWKDWare required to be provided with an emergency power supply by the Ontario Building Code. (Refer to Bulletin 46-4-* for additional information) Examples of life safety loads are: emergency lighting QHHGHGIRUHJUHVVURXWHVDQGH[LWVH[LWVLJQVUHDODUPV\VWHPVHOHYDWRUVVPRNHYHQWLQJIDQVDQGUHSXPSV
Note 1:Single Family Dwelling, Residential Installations3ODQVDQGVSHFLFDWLRQVDUHUHTXLUHGIRUWKHFRQVXPHUVVHUYLFHDQGGLVWULEXWLRQHTXLSPHQWRQO\LQIRUPDWLRQon branch circuits or utilization equipment is not required.
:KHUHWRVXEPLWWKHSODQV"
3OHDVHVXEPLWRQHFRS\RIWKHSODQVIRUUHYLHZWR
Electrical Safety AuthorityPlan Review Department400 Sheldon Drive, Unit 5Cambridge, OntarioN1T 2H9
7HOHSKRQH1XPEHU )D[1XPEHU1-800-746-6480 1-800-957-2738519-624-3564 519-624-3570
All required data should be submitted as a complete package, by one submitter where possible to facilitate the plan review and timely report.
The fee for low voltage plan review is as per ESAs fee guide.
7KHLQVSHFWRULQWKHHOGJLYHVQDODSSURYDORIWKHLQVWDOODWLRQ
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
%XOOHWLQ7UDIFVLJQDOV\VWHPV
Rules 2-024(3), 10-400, 10-404, 12-526, 12-1122, 12-1166, 12-1514 and 16-200Issued April 2010
Supersedes Bulletin 2-12-8
Scope
%RQGLQJUHTXLUHPHQWVIRUWUDIFVLJQDOV\VWHPV(2) Approval(3) Aerially Supported Cable(4) Controller Unit, Bonding Jumper(5) Equipment support &RQQHFWLRQ$XWKRUL]DWLRQVIRU7HPSRUDU\7UDIF6LJQDOV
%RQGLQJUHTXLUHPHQWVIRUWUDIFVLJQDOV\VWHPVVHH'LDJUDP%
$OOQRQFXUUHQWFDUU\LQJPHWDOSDUWVRIDWUDIFVLJQDOV\VWHPVPRXQWHGDWDKHLJKWRIOHVVWKDQPDERYHJUDGHVKDOOEHERQGHG5XOH%RQGLQJFRQGXFWRUVUXQXQGHUJURXQGIRUWUDIFVLJQDOV\VWHPVPD\EHlocated outside of the conduit or cable assembly containing the circuit conductors (Rules 12-526, 12-1122, 12-1166, and 12-1514).
2YHUKHDGWUDIFVLJQDOV\VWHPVFRQQHFWHGWRRUVXSSRUWHGE\VWHHOSROHVRUVWDQGDUGVVKDOOKDYHWKHVWHHOpole or standard bonded.
DirectionBased on past practice and satisfactory experience it is acceptable for bond conductors installed underground IRUWUDIFVLJQDOLQVWDOODWLRQVWREHH[WHUQDORIWKHFRQGXLWRUFDEOHDVVHPEO\7KHERQGFRQGXFWRUPXVWEHminimum #6 copper and located in the same trench as the circuit conductors and positioned to be mechani-FDOO\SURWHFWHGGXULQJDQGDIWHUEDFNOORIWKHWUHQFK7KHURXWLQJRIWKHERQGFRQGXFWRUPD\EHIURPWKHmetal poles back to the main service switch and then to the controller cabinet. See Diagram 1.
Notwithstanding Rule 10-404(2), where there are multiple raceways between equipment, only one bond con-ductor is required. The bond conductor is permitted to be installed external to the raceways.
Rationale7RPDLQWDLQWKHV\VWHPLQWHJULW\GXULQJDOLJKWQLQJVWULNH)DLOXUHRIWKHWUDIFVLJQDOV\VWHPFRXOGFUHDWHDOLIHhazard situation.
In the event that a metal pole is struck by lightning the discharge of energy would be dissipated into the mass of the earth through the #6 bond conductor loop and associated ground electrodes, there by protecting the control equipment located in the controller cabinet.
This bond path and method of installation is acceptable and will allow all overcurrent devices to operate under fault conditions.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
'LDJUDP%7\SLFDOJURXQGLQJDQGERQGLQJVFKHPDWLFIRUDWUDIFVLJQDOV\VWHPEDVHGRQWKH2366WDQGDUG
NotesThe Ontario Electric Safety Code requires a minimum of two ground rods to be installed at the service en-trance switch; any additional ground electrodes would exceed that minimum requirement, as in diagram 1.
Pedestrian push buttons installed below 2.5m in a metallic box are not required to be bonded if supplied from D&ODVV,,SRZHUVRXUFHDVGHQHGLQ5XOH
%RQGFRQGXFWRUVLQVWDOOHGLQUDFHZD\VVKDOOEHLQVXODWHGLIWKHUDFHZD\H[FHHGVWZRTXDUWHUEHQGVRUIWHHQmeters in length. Only one bond conductor is required regardless of the number of non-metallic ducts in-stalled, to comply with Rule 10-404.
'HQLWLRQV&RQWUROOHUPHDQVDFRPSOHWHWUDIFVLJQDOFRQWUROHTXLSPHQWSDFNDJHLQFOXGLQJFDELQHWFRQWUROOHUXQLWDQGDOOassociated power control actuation or interconnection devices.
&RQWUROOHU&DELQHWPHDQVDQRXWGRRUHQFORVXUHXVHGIRUWKHKRXVLQJRIWKHFRQWUROOHUXQLWDQGDOODVVRFLDWHGpower, control, activation or interconnection devices.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
$SSURYDO
Service entrance switches and controller cabinet assemblies shall be approved.
&DEOHDVVHPEOLHVDQGWUDIFVLJQDOKHDGVQHHGQRWEHDSSURYHG
&DEOHVPDQXIDFWXUHGWRWKH,QWHUQDWLRQDO0XQLFLSDO6LJQDO$VVRFLDWLRQ,06$FDEOHVSHFLFDWLRQVDQGWKHOntario Provincial Standard (OPS) shall be deemed acceptable. The applicable standard shall be surface printed on the cable jacket.
7UDIFVLJQDOKHDGVVKDOOEHDFFHSWHGDVSDUWRIWKHZLULQJLQVWDOODWLRQDVSHU5XOH
7UDIFFRQWUROV\VWHPSROHVDQGRWKHUVXSSRUWLQJLQIUDVWUXFWXUHDUHQRWUHTXLUHGWREHDSSURYHG
RationaleCables manufactured to the IMSA and OPS standard have been installed and accepted for many years and KDYHEHFRPHLQGXVWU\VWDQGDUG7KHVSHFLFDWLRQVWKDWWKH\DUHEXLOWWRPHHWRUH[FHHGWKH&6$VWDQGDUGDQGWKHUHLVQRHYLGHQFHRIXQGXHUHRUVKRFNKD]DUG
7UDIFVLJQDOKHDGVE\QDWXUHPXVWEHDEOHWRZLWKVWDQGWKHHOHPHQWV7KH\DUHSDUWRIDOLIHVDIHW\V\VWHPthat requires them to be robust.
7UDIFFRQWUROV\VWHPSROHVDUHPDQXIDFWXUHGWRWKH&DQDGLDQ+LJKZD\%ULGJH'HVLJQ&RGH&+%'&0X-nicipal Standards (MS) or the Ontario Provincial Standard (OPS).
7KHVHLWHPVSRVHQRUHRUVKRFNKD]DUGDQGVKDOOEHDFFHSWHGDVSDUWRIWKHZLULQJLQVWDOODWLRQDVSHU5XOH2-024(3)
$HULDOO\VXSSRUWHGFDEOH
Cables and conductors shall be of types suitable for exposure to the weather as listed in Table 19 and ap-proved for this type of installation. Additionally, cables and conductors shall be marked for sunlight resistance (SR or SUNLIGHT RESISTANCE) where installed and used subject to direct rays of sun, as per Rule 2-130.
For example, Rule 30-1102 permits Types RW75, R90, RW90, TW, TWU, TW75, and TWU75 conductors to be lashed to a messenger cable for outdoor lighting where exposed to the weather. Type RWU conductorsshall also be permitted, although not listed in Table 19.
RationaleThe cable manufacturers have indicated that Type RWU cables will withstand the effects of ultra violet light and exposure to the weather (when marked as such) and the lashing will not have an injurious effect on the insulation.
&RQWUROOHUXQLWERQGLQJMXPSHU
The Ontario Provincial Standard and the NEMA Standard require controller units to have a bond jumper in-VWDOOHGEHWZHHQWKHQHXWUDOEXVDQGWKHERQGEXV7KLVUHTXLUHPHQWLVWRDFFRPPRGDWHWKH5)OWHULQVWDOOHGLQWKHFRQWUROOHU:KHQWKHFRQWUROOHUVDUHFHUWLHGRUHOGHYDOXDWHGWKHLQVWDOODWLRQRIDERQGFRQGXFWRUEHWZHHQWKHERQGDQGQHXWUDOEXVVLVSHUPLWWHGEDVHGRQWKHVHUHFRJQL]HGHTXLSPHQWVWDQGDUGVIRUWUDIFcontroller units.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
Rationale7KHVHDUHWKHLQGXVWU\VWDQGDUGLQ1RUWK$PHULFDIRUFHUWLHGRUHOGHYDOXDWHGWUDIFFRQWUROOHUXQLWV2QWDULR3URYLQFLDO6WDQGDUG0LQLVWU\RI7UDQVSRUWDWLRQ2QWDULR7UDIF6LJQDO&RQWURO(TXLSPHQW6SHFLFDWLRQV-XQHDQG1(0$767UDIF&RQWUROOHU&RQWURO6\VWHPV
(TXLSPHQWVXSSRUW
6WDLQOHVVVWHHOEDQGVVKDOOEHSHUPLWWHGWREHXVHGIRUWKHVROHVXSSRUWRIHTXLSPHQWXVHGIRUWUDIFVLJQDOV\VWHPV2QWDULR(OHFWULFDO6DIHW\&RGH5XOHVKDOOQRWDSSO\WR7UDIF6LJQDO6\VWHPVDVGHQHGLQthis Bulletin.
Rationale+LVWRULFDOO\VWDLQOHVVVWHHOEDQGVKDYHEHHQXVHGIRUWKHVROHVXSSRUWRIWUDIFVLJQDOV\VWHPHTXLSPHQWDQGKDYHEHFRPHWKHDFFHSWHGWUDGHSUDFWLFH)DLOXUHRIWKHWUDIFVLJQDOV\VWHPFRXOGFUHDWHDOLIHKD]DUGVLWXD-tion and this method of equipment support has been found to be more than adequate.
&RQQHFWLRQDXWKRUL]DWLRQVIRUWHPSRUDU\WUDIFVLJQDOV
7UDIF6LJQDOVDUHIUHTXHQWO\LQVWDOOHGRQDWHPSRUDU\EDVLVWRDFFRPPRGDWHURDGDQGEULGJHFRQVWUXFWLRQThe industry standard for temporary signals in most cases complies with all the minimum requirements of the Ontario Electrical Safety Code for a permanent installation. ESA will issue a permanent connection authoriza-WLRQDQGD&HUWLFDWHRI,QVSHFWLRQIRUDWHPSRUDU\7UDIF6LJQDOLQVWDOODWLRQSURYLGHGWKHZLULQJPHWKRGXVHGmeets the OESC requirements for a permanent installation.
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Bulletin 2-14-5Guidelines on Reporting Serious Electrical Incidents
Rule 2-007,VVXHG0D\
Supersedes Bulletin 2-14-4
:KRPXVWFDOO"An owner, contractor or operator of a facility shall report any serious electrical incident.
Why?5HSRUWLQJRIVHULRXVHOHFWULFDOLQFLGHQWLVUHTXLUHGZLWKLQKRXUVXQGHU5XOHRIWKH2QWDULR(OHFWULFDO6DIHW\&RGH25HJ
:KHQPXVW\RXFDOO"Within forty-eight hours after occurrence of a serious electrical incident that includes the following.v Any electrical contact that causes death.v Any electrical incidents that causes critical injury, such as; an injury that places life in jeopardy, major
loss of blood, loss of limb, produces unconsciousness, fracture or amputation of arm or leg, but not QJHUVRUWRHVEXUQVWRPDMRUSDUWRIERG\ORVVRIDQH\H
v $Q\UHRUH[SORVLRQRUDQ\FRQGLWLRQsuspected of being electrical in origin which might have caused DUHH[SORVLRQORVVRIOLIHFULWLFDOLQMXU\WRDSHUVRQRUGDPDJHWRSURSHUW\
v Any electrical contact with electrical equipment operating at over 750 volts.v $Q\H[SORVLRQRUUHRIHOHFWULFDOHTXLSPHQWRSHUDWLQJDWRYHUYROWV
Who should you call?Call the Electrical Safety Authority (ESA) at 1-877-372-7233 or 1-877-ESA-SAFE and if it is a workplace injury, then you must also call the Ministry of Labour.
What should you do?When a reportable incident occurs, follow the guidelines listed below;Ensure that there is no further danger in and around the incident scene.Ensure that the injured, other workers and public are protected. Perform the task with minimum disturbance to the incident scene, leaving the scene undisturbed, leave ar-ticles or wreckage as is unless it causes a hazard or represents a danger to the public.Secure the incident scene. Provide barricade, signs to prevent people from entering and disturbing evidence. &DOOWKH(OHFWULFDO6DIHW\$XWKRULW\ZLWKLQKRXUVWRUHSRUWWKHLQFLGHQW(6$6$)(
7KHIROORZLQJLVLQIRUPDWLRQUHTXLUHGZKHQUHSRUWLQJWKHLQFLGHQWv When Time of day, datev Where Location of the incident, address, or street intersectionv What Provide as much information on the circumstances of the incidentv Who The personnel involved in the incident, the number of people if it is multiple injuries/people or
damage that the incident has caused.
Call the Ministry of Labour if it is a workplace injury.
Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-14-5
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(OHFWULFDO)LUHDQGRU$FFLGHQWDQG,QFLGHQW1RWLFDWLRQ
,I\RXFKHFNDQ\ER[LQWKHIROORZLQJWDEOHZLWKD
-
Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-15-1
Bulletin 2-15-1(6$LQVSHFWLRQUHTXLUHPHQWVIRUUHDODUPV\VWHPV
Rules 2-003, 2-004,VVXHG0D\
Supersedes Bulletin 2-15-0
Scope
(6$LQVSHFWLRQUHTXLUHPHQWVIRUUHDODUPV\VWHPV(2) Relevant sections of the Ontario Electrical Safety Code(3) Relevant sections of the Ontario Fire Code
(6$LQVSHFWLRQUHTXLUHPHQWVIRUUHDODUPV\VWHPV
IssueThere have been questions raised as to what are the inspection requirements associated with the testing and PDLQWHQDQFHRIH[LVWLQJUHDODUPVV\VWHPV7KHIROORZLQJGLUHFWLRQLGHQWLHVWKHUHTXLUHPHQWV7KLVEXOOHWLQKDVEHHQGHYHORSHGLQFRQMXQFWLRQZLWKWKH2QWDULR)LUH0DUVKDOO2)0RIFHWKH&DQDGLDQ)LUH$ODUP$V-sociation and the Electrical Contractors Association of Ontario
Direction$QDSSOLFDWLRQIRULQVSHFWLRQXQGHUUXOHLVQRWUHTXLUHGIRUWKHLQVSHFWLRQDQGWHVWLQJRIUHDODUPV\VWHPVIRUFRQIRUPDQFHWR&$18/&6,QVSHFWLRQDQG7HVWLQJRI)LUH$ODUP6\VWHPVSURYLGHGWKDWaccurate record keeping is made available to the Electrical Safety Authority (ESA) upon request. Examples of WKHW\SHRIZRUNWKDWGRQRWUHTXLUHDQDSSOLFDWLRQIRULQVSHFWLRQDUH
&RQWUROXQLWFRPSRQHQWVWUDQVSRQGHUFRPSRQHQWDQGRUHOGGHYLFHFRPSRQHQWUHSODFHPHQW /LNHIRUOLNHDFWLYHHOGGHYLFHDQGVXSSRUWLQJHOGGHYLFHUHSODFHPHQW 5HPRYDODQGUHSODFHPHQWRIGHYLFHVIRUWHVWLQJDQGPDLQWHQDQFHSXUSRVHV
$QDSSOLFDWLRQIRULQVSHFWLRQLVUHTXLUHGXQGHUZKHQUHSDLUUHSODFHPHQWDQGDOWHUDWLRQVRIUHDODUPV\VWHPFRPSRQHQWVUHTXLUHVFRPSOLDQFHZLWK&$18/&66WDQGDUGIRUWKH,QVWDOODWLRQRI)LUH$ODUP6\VWHPV([DPSOHVRIWKLVDUH
([WHQVLRQRIWKHH[LVWLQJUHDODUPV\VWHP 5HSODFHPHQWRI&RQWUROXQLWDQGRUWUDQVSRQGHU 5HORFDWLRQRIHOGGHYLFHVFRQWUROXQLWVDQGRUWUDQVSRQGHUV 5HSODFHPHQWRIUHDODUPV\VWHPZLULQJ
Background5XOHRIWKH2QWDULR(OHFWULFDO6DIHW\&RGHVWDWHVWKDWDFRQWUDFWRUVKDOOOHZLWKWKH(OHFWULFDO6DIHW\Authority an application for inspection for any work on an electrical installation. There has been some con-FHUQWKDW(6$ZRXOGUHTXLUHDQDSSOLFDWLRQIRULQVSHFWLRQIRUWKHUHSODFHPHQWRIGHYLFHVDVVRFLDWHGZLWKDUHDODUPV\VWHPRUWKDWZHZRXOGUHTXLUHDQDSSOLFDWLRQIRULQVSHFWLRQIRUWKHWHVWLQJRIDUHDODUPV\VWHP
)RUH[DPSOHGXULQJWKHWHVWLQJRIDUHDODUPV\VWHPRQHWHVWUHTXLUHVWKHUHPRYDORIDQHQGRIOLQHUHVLVWRUto do the test. Strictly speaking this involves the breaking and remaking of a connection. Similarly, during the WHVWLQJRIWKHUHDODUPV\VWHPLWPD\EHEHGLVFRYHUHGWKDWDVPRNHGHWHFWRURURWKHUGHYLFHVQHHGVWREHreplaced. Again, strictly speaking, this would involve the breaking and remaking of a connection.
5HJXODULQVSHFWLRQDQGWHVWLQJLVUHTXLUHGWREHSHUIRUPHGE\WKH2QWDULR)LUH&RGH2)&RQH[LVWLQJUHalarm systems. Persons performing this work are required to be recognized in accordance with Division C,
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-15-1
6HFWLRQ4XDOLFDWLRQVRIWKH2QWDULR)LUH&RGH6HUYLFHDQGPDLQWHQDQFHUHTXLUHPHQWVIRUUHDODUPVsystems are covered by the regulations of the Ontario Fire Code.
Rationale7KHLQVSHFWLRQDQGWHVWLQJRIUHDODUPV\VWHPVLVUHTXLUHGWREHLQDFFRUGDQFHZLWK'LYLVLRQ%3DUW$UWLFOHRIWKH2QWDULR)LUH&RGHZKLFKUHTXLUHVFRQIRUPDQFHZLWK&$18/&6,QVSHFWLRQDQG7HVWLQJRI)LUH$ODUP6\VWHPV7KLVPHDQVWKDWDOOUHDODUPLQVSHFWLRQDQGWHVWLQJH[FOXGLQJDOWHUDWLRQVRUDGGLWLRQof components fall under this category. ESA would rely on the record keeping that is required under the Fire Code and associated standards as the application for inspection, as permitted by Subrule 2-004(5). These records would be available to the Electrical Safety Authority upon request.
NoteIt is the Owners responsibility for record keeping Rule 2-004 (5) states that inspections as required by the Inspection department may be made at such time and in such manner as the inspection department deter-mines. Rule 2-003 states that it is the owners responsibility to maintain a record of electrical installations. The Service Provider will provide S536 documents to the Owner.
3HUVRQVZKRUHSDLUUHSODFHRUDOWHUFRPSRQHQWVRIDUHDODUPV\VWHPDUHUHTXLUHGWRFRQGXFWWKLVZRUNLQDFFRUGDQFHZLWK'LYLVLRQ%3DUW$UWLFOHLQFRQIRUPDQFHZLWK&$18/&6,QVWDOODWLRQRI)LUHAlarm Systems., and requires an Application for inspection (Rule 2-004(1) of the Ontario Electrical Safety Code)
5HOHYDQWVHFWLRQVRIWKH2QWDULR(OHFWULFDO6DIHW\&RGH
2-003 Record of electrical installation workThe owner, owners agent, or operator shall maintain a record of all electrical installation acceptable to the in-spection department in any public building, commercial or industrial establishment, apartment house, or other building in which the public safety may be involved, and shall produce this record to any inspector at any time DQGIURPWLPHWRWLPHXSRQUHTXHVWDVVSHFLHGE\WKH,QVSHFWLRQ'HSDUWPHQW
2-004 Inspection$FRQWUDFWRUVKDOOOHZLWKWKHLQVSHFWLRQGHSDUWPHQWDFRPSOHWHGDSSOLFDWLRQIRULQVSHFWLRQRIDQ\ZRUNRQDQHOHFWULFDOLQVWDOODWLRQbefore or within 48 hours after commencement of the work whether or not electrical power or energy has been previously supplied to the land, building, or premises on which the work was performed; andshall pay the fees prescribed by the inspection department; andbe in compliance with Ontario Regulation 570/05 made under Part VIII of the Electricity Act, 1998.Inspections as required by the inspection department may be made at such time and in such manner as the inspection department determines.
5HOHYDQWVHFWLRQVRIWKH2QWDULR)LUH&RGH
'LYLVLRQ&3DUW6HFWLRQ4XDOLFDWLRQV
6XEVHFWLRQ4XDOLFDWLRQVDQGUHVSRQVLELOLWLHVRISHUVRQVSHUIRUPLQJZRUNRQUHDODUPV\VWHPV
Application7KLVVXEVHFWLRQDSSOLHVWRHYHU\SHUVRQZKRSHUIRUPVDQQXDOWHVWVRUDQQXDOLQVSHFWLRQVRIDUHalarm system required under Article 6.3.2.2 of Division B and every person who repairs, replaces or alters FRPSRQHQWVRIDUHDODUPV\VWHP
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-15-1
4XDOLFDWLRQV$Q\SHUVRQZKRSHUIRUPVWKHZRUNGHVFULEHGLQ$UWLFOHRQDUHDODUPV\VWHPVKDOO(a) have successfully completed a program or course acceptable to the Fire Marshal,ESURGXFHIRULQVSHFWLRQXSRQUHTXHVWE\WKHRZQHURUWKH&KLHI)LUH2IFLDODFRS\RIDFHUWLFDWHRUGRFX-ment attesting to the successful completion of a program or course referenced in Clause (a), and(c) perform the inspection, test, repair, replacement or alteration in accordance with Article 6.3.1.8. and Sub-section 6.3.2. of Division B.(2) Despite Sentence (1), a person who has not successfully completed the required program or course may perform the work described in Clause (1)(c) provided that(a) the work is done under the supervision of a person who has successfully completed a program or course required by Clause (1)(a),(b) no more than two persons work under the supervision of the person referred to in Clause (a) at the same time, and (c) the supervision is provided at the work site.(3) Any person supervising another as permitted in Sentence (2) (a) shall advise the owner in writing that the work has been completed in accordance with Article 6.3.1.8. and Subsection 6.3.2. of Division B, and(b) is deemed to be the person referred to in Article 1.2.1.3.
5HVSRQVLELOLW\1.2.1.3 Despite Article 1.2.1.1. of Division A, any person who performs the work described in Article 1.2.1.1. of WKLV'LYLVLRQRQDUHDODUPV\VWHPLVUHVSRQVLEOHIRUFRPSO\LQJZLWK$UWLFOHRIWKLV'LYLVLRQ
6XEVHFWLRQ4XDOLFDWLRQVDQG5HVSRQVLELOLWLHVRI3HUVRQV3HUIRUPLQJ:RUNRQ,QWHUFRQQHFWHG6PRNH$ODUP6\VWHPV
Application1.2.2.1 This subsection applies to every person who performs annual tests of an interconnected smoke alarm system required under Article 6.3.2.6. of Division B and any person who repairs, replaces or alters compo-nents of such an interconnected smoke alarm system.
4XDOLFDWLRQV1.2.2.2 (1) Any person who performs the work described in Article 1.2.2.1 on an interconnected smoke alarm system shall(a) have successfully completed a program or course acceptable to the Fire Marshal,ESURGXFHIRULQVSHFWLRQXSRQUHTXHVWE\WKHRZQHURUWKH&KLHI)LUH2IFLDODFRS\RIDFHUWLFDWHRUGRFX-ment attesting to the successful completion of a program or course referenced in Clause (a), and (c) perform the test and maintenance in accordance with Article 6.3.2.6 of Division B.(2) Despite Sentence (1), a person who has not successfully completed the required program or course may perform the work described in Sentence (1) provided that(a) the work is done under the supervision of a person who has successfully completed a program or course required in Clause (1)(a),(b) no more than two persons work under the supervision of the person referred to in Clause (a) at the same time, and (c) the supervision is provided at the work site.(3) Any person supervising another as permitted in Sentence (2) (a) shall advise the owner in writing that the work has been completed in accordance with Article 6.3.2.6 of Division B, and (b) is deemed to be the person referred to in Article 1.2.2.2.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-15-1
5HVSRQVLELOLW\1.2.2.3 Despite Article 1.2.1.1. of Division A, any person who performs the work described in Article 1.2.2.1 of this Division on an interconnected smoke alarm system is responsible for complying with Article 1.2.2.2 of this Division.
'LYLVLRQ%3DUW6XEVHFWLRQ&KHFN,QVSHFWDQG7HVW
5HSDLUVDQGDOWHUDWLRQVWRUHDODUPV\VWHPV5HSDLUUHSODFHPHQWDQGDOWHUDWLRQVRIUHDODUPV\VWHPFRPSRQHQWVVKDOOEHLQDFFRUGDQFHZLWK&$18/&66WDQGDUGIRUWKH,QVWDOODWLRQRI)LUH$ODUP6\VWHPV6.3.2.1. (1) The owner shall ensure that any person performing the annual tests or annual inspections re-quired by this Subsection and any person performing repair, replacement or alterations referred to in Article 6.3.1.8. is in compliance with the requirements of(a) Clause 1.2.1.2(1) (a) of Division C, or(b) Sentence 1.2.1.2(2) of Division C.
)LUHDODUPV\VWHPV([FHSWDVSURYLGHGLQ6HQWHQFHDUHDODUPV\VWHPZLWKRUZLWKRXWYRLFHFRPPXQLFDWLRQFDSDELOLW\VKDOOEHLQVSHFWHGDQGWHVWHGLQFRQIRUPDQFHZLWK&$18/&6,QVSHFWLRQDQG7HVWLQJRI)LUHAlarm Systems.
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-16-2
Page 1 of 1
Bulletin 2-16-2$SSHDOVXQGHUWKH2(6&SURFHVV
Rule 2-018,VVXHG-XO\
Supersedes Bulletin 2-16-1
To support the resolution of appeals related to the Ontario Electrical Safety Code (OESC) and the Electrical Distribution Safety Regulation (EDSR), procedural rules and business processes have been developed and an independent review panel of industry representatives was established.
5HVROYLQJ'LVSXWHV,QIRUPDO$SSHDOV,QGLYLGXDOVPDNLQJLQIRUPDODSSHDOVDUHHQFRXUDJHGWRUVWUHVROYHWKH dispute with the Inspector involved, the Senior Inspector and the Technical Advisor.
5HVROYLQJGLVSXWHV$SSHDOVIf a resolution is not achieved through consultation with the Inspector involved, the Senior Inspector and the Technical Advisor, an appeal may be made to the Electrical Safety Authoritys (ESA) Director of Appeals re-garding the defect notice or non-compliance order.
2UGHUVLVVXHGXQGHUWKH2(6&RUWKH('65WKDWFDQEHDSSHDOHGLQFOXGHEXWDUHQRWOLPLWHGWR 'HIHFWQRWLFH 'LVFRQQHFWLRQRUGHU 2UGHUUHODWHGWRXQDSSURYHGSURGXFWV 1RQFRPSOLDQFHRUGHUV 5HIXVDOWRJUDQWDFRQQHFWLRQDXWKRUL]DWLRQ )LQGLQJVRQSODQV 5HIXVDOWRDSSURYHSODQV
7KH(6$KDVDWKUHHVWHSDSSHDOSURFHVV 6WHS5HTXHVWIRU5HYLHZEHIRUH(6$V'LUHFWRU 6WHS1RWLFHRI$SSHDOEHIRUHWKH5HYLHZ3DQHO 6WHS$SSHDOWR'LYLVLRQDO&RXUW
For more information about the Appeals Regulation and process, please visit the Government and Regulation section on the ESAs website at www.esasafe.com
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins 2-18-1
Bulletin 2-18-1,GHQWLFDWLRQRI(OHFWULFDO,QVWDOODWLRQVLH%XLOGLQJV/RWVDQG6HUYLFHV
Rule 2-004 (5),VVXHG0D\
Supersedes Bulletin 2-18-0Issue(YHU\LQVWDOODWLRQPXVWEHFOHDUO\LGHQWLHGZLWK&LYLFDGGUHVVDQGRU/RWQXPEHUVIRUWKHSXUSRVHRILQVSHF-tion.
Direction(YHU\HOHFWULFDOLQVWDOODWLRQLH%XLOGLQJSURSHUW\DQGRUVHUYLFHVKDOOEHFOHDUO\LGHQWLHGZLWKLWV&LYLF)LUH,GHQWLFDWLRQQXPEHUDQGRU/RW1XPEHUEHIRUHDQLQVSHFWLRQPD\WDNHSODFH
7KHPDUNLQJVVKDOOEHYLVLEOHIURPWKHDFFHVVURDGRUHTXLYDOHQW7KLVLGHQWLFDWLRQVKDOOPDWFKWKHLGHQWLFD-tion provided on the application for inspection.
RationaleIn the interest of safety we have provided direction to our inspectors that we will not do any inspection on any LQVWDOODWLRQZKHUHZHFDQQRWFOHDUO\LGHQWLI\DQGFRQUPWKDWWKHQRWLFDWLRQPDWFKHVWKHLQVWDOODWLRQ
$QXPEHURI\HDUVDJRWKHSURYLQFHXQGHUWRRNDQDPELWLRXVYHQWXUHRILGHQWLI\LQJDOOSURSHUWLHVIRUUHVHUYLFHLGHQWLFDWLRQ7KHPXQLFLSDOSODQQLQJGHSDUWPHQWVKRXOGEHDEOHWRSURYLGHWKHFRQWDFWRUZLWKSURSHULGHQWLFDWLRQLQIRUPDWLRQZKHQDEXLOGLQJSHUPLWLVLVVXHG
(6$ZLOOQRWLQVSHFWDQ\LQVWDOODWLRQWKDWLVQRWFOHDUO\LGHQWLHGZLWKWKH&LYLF)LUH,GHQWLFDWLRQ1XPEHUDQGor Lot number.
Background:KHQDQDSSOLFDWLRQIRULQVSHFWLRQLVUHFHLYHGE\(6$WKHLQIRUPDWLRQSURYLGHGRQWKHQRWLFDWLRQLVXVHGE\WKHLQVSHFWRUWRQGWKHLQVWDOODWLRQUHTXLULQJLQVSHFWLRQ
If the information is missing, incomplete or inaccurate, the inspector may be forced to make assumptions as to whether the site visited is indeed the intended target of the request for inspection.
This can create confusion, errors and potential safety issues. When an inspector issues a connection authori-zation to energize a service, the Local Distribution Company (supply authority) uses that same location infor-PDWLRQZKHQHQHUJL]LQJWKHVHUYLFH,IWKHLQVWDOODWLRQLVQRWFOHDUO\LGHQWLHGWKHZURQJVHUYLFHPD\EHFRPHenergized, with serious consequences.
In the case of new sub-divisions confusion can exist because there may be more than one builder on the VDPHVWUHHWDOOXVLQJ/RWWRLGHQWLI\WKHLULQVWDOODWLRQ
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
%XOOHWLQ3DQHOERDUGDQGEUHDNHUUHSODFHPHQW
Rule 2-034 ,VVXHG0D\
Supersedes Bulletin 2-19-1
IssueQuestions have been asked regarding acceptable brands and types of new circuit breakers for use in older brand names of panelboards that are no longer manufactured.
BackgroundThere have been several issues with respect to replacing breakers in panels where the panel board manu-facturer is no longer in existence or has been acquired by another manufacturer. In consultation with various manufacturers, Table B1 was constructed to provide breaker replacement information for the various panel-boards used in the province of Ontario. Table B2 has been provided by Cutler Hammer as a more compre-hensive cross reference regarding breakers that they currently manufacture under the Cutler Hammer brand name that are compatible with panelboards having older brand names.
DirectionAll panelboards are required by the product standards to be marked with the make and type of breakers that are acceptable for use in that panelboard. A replacement breaker is permitted to be of a different brand name than the original panelboard provided that it is the same type as one of those marked on the panel. The circuit EUHDNHUPXVWDOVREHDUDUHFRJQL]HGFHUWLFDWLRQPDUN$VDQH[DPSOH7\SH4%/EUHDNHUVWKDWDUHFXUUHQWO\manufactured under the Cutler Hammer brand name are permitted to be installed in older C.E.B., Sylvania, and Commander brands of panels that are marked for use with this type of breaker.
7DEOH%%UHDNHUUHSODFHPHQWORRNXSFKDUW
Panel Board: WestinghouseReplacement Breakers(1) Westinghouse(2) Commander (3) Cutler-Hammer
3DQHO%RDUG&RPPDQGHUReplacement Breakers(1) Westinghouse(2) Commander(3) Cutler-Hammer
Panel Board: ITEReplacement Breakers(1) ITE(2) Siemens
BryantReplacement Breakers(1) Bryant(2) Hubbell
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins
7DEOH%7KHIROORZLQJ&(%6\OYDQLD&RPPDQGHU:HVWLQJKRXVHDQG&KDOOHQJHU3DQHOVVKDOOEHSHUPLWWHGWRXVHWKHIROORZLQJ&XWOHU+DPPHU5HSODFHPHQWEUHDNHUV
Original Manufacturer/ Panel Name
Panel Name
Bolt-on Breaker TypePlug-inBreaker Type
QBL BQL BQLT BQGF BAB GFCBB DNBA BR DNPL GFCB
C.E.B. (Ground Fault n/a) X
Sylvania (Ground Fault n/a) X
Commander B/BC/BQ X
Challenger PL/PM/PMF X X X
Commander QL/QM X X X
Westinghouse GL, GLC, WL, WIB, Novaline, NLC X X X
Cutler-Hammer QM/QL X X X
Cutler-Hammer CPL/CPM X X X
Cutler-Hammer CBL/CBM X X X
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Electrical Safety Authority
Ontario Electrical Safety Code - Bulletins2-20-1
Bulletin 2-20-16KRFNDQGDUFDVKSURWHFWLRQ
Rule 2-306,VVXHG0D\
Supersedes Bulletin 2-20-0
6KRFNDQGDUFDVKSURWHFWLRQSubrule (1) requires electrical equipment, other than in dwelling units, that may require maintenance to be PDUNHGLQWKHHOGWRZDUQLQGLYLGXDOVRIWKHSRWHQWLDODUFDVKDQGHOHFWULFVKRFNKD]DUGV7KLVPDUNLQJLVrequir