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Copyright 2008 Ted "Smitty" Smith
Two Minute Drill Number 25- Residential
Improving your skill in code Look Up Increasing Speed Drill
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Copyright 2008 Ted "Smitty" Smith
Directions Left click on the presentation ICON located at the bottom of
the slide directory to the left of the this slide. Each slide will transition to the correct answer automatically
in 3:00
This drill is primarily concerning residential installation. .
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Copyright 2008 Ted "Smitty" Smith
1. All 15- and 20-ampere, single-phase, 125-volt receptacle outlets located at LEAST _____ from the inside walls of a swimming pool shall be provided with GFCI protection.
a. 10 feetb. 15 feetc. 20 feetd. 25 feet
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Copyright 2008 Ted "Smitty" Smith
1. c 680.22(A)(4)
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Copyright 2008 Ted "Smitty" Smith
2. A luminaire shall be supported independently of the outlet box when it weighs more than _____ pounds, unless the outlet box is listed for the weight to be supported.
a. 6
b. 25
c. 35
d. 50
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Copyright 2008 Ted "Smitty" Smith
2. d 314.27(B)
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Copyright 2008 Ted "Smitty" Smith
3. Of the following listed connectors, which type is prohibited for connection of a grounding conductor to enclosures?
a. Sheet metal screws
b. Pressure connectors
c. Clamps
d. Lugs
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Copyright 2008 Ted "Smitty" Smith
3. a 250.8
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Copyright 2008 Ted "Smitty" Smith
4. A ground rod is required to be driven a MINIMUM depth of _____ feet into the soil.
a. 4
b. 6
c. 8
d. 10
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Copyright 2008 Ted "Smitty" Smith
4. c 250.53(G)
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Copyright 2008 Ted "Smitty" Smith
5. Receptacle outlets are permitted to be installed directly over a bathtub or shower stall _____.
a. If the outlet has a weatherproof cover
b. If the outlet is GFCI protected
c. If the outlet has a weatherproof cover and is GFCI protected
d. Never
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Copyright 2008 Ted "Smitty" Smith
5. d 406.8(C)
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Copyright 2008 Ted "Smitty" Smith
6. Receptacle outlets installed in the _____ position in countertops are prohibited.
a. Vertical
b. Horizontal
c. Face-up
d. All of these are acceptable
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Copyright 2008 Ted "Smitty" Smith
6. c 406.4(E)
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Copyright 2008 Ted "Smitty" Smith
7. Receptacle outlets in a kitchen of a residence that are to serve countertop surfaces shall be installed so that no point along the wall line is more than _____ when measured horizontal from a receptacle in that space.
a. 24 inches
b. 18 inches
c. 36 inches
d. 48 inches
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Copyright 2008 Ted "Smitty" Smith
7. a 210.52(C)(1)
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Copyright 2008 Ted "Smitty" Smith
8. The ampacity of branch-circuit conductors and the rating or setting of overcurrent protective devices supplying fixed outdoor electric deicing equipment, shall NOT be less than _____ percent of the full load current of the equipment.
a. 100
b. 125
c. 80
d. 150
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Copyright 2008 Ted "Smitty" Smith
8. b 426.4 210.19(A)(1)
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Copyright 2008 Ted "Smitty" Smith
9. When an intermediate metal conduit (IMC) contains conductors of 600 volts or less and is buried under a gravel driveway of a one family dwelling, the IMC must be buried at LEAST _____.
a. 12 inches
b. 18 inches
c. 24 inches
d. 30 inches
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Copyright 2008 Ted "Smitty" Smith
9. b Tbl. 300.5, Col 2
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Copyright 2008 Ted "Smitty" Smith
10. Disregarding exceptions, where residential lighting outlets are installed in interior stairways, there shall be a wall switch provided _____.
a. Near the stairsb. Every seven stepsc. At the top and bottom of the stairs if there are
more than six stepsd. At any convenient location
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Copyright 2008 Ted "Smitty" Smith
10. c 210.70(A)(2)(c)
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Copyright 2008 Ted "Smitty" Smith
11. Where it is impractical to locate the service head or gooseneck above the point of attachment of the service drop conductors, the service head or gooseneck shall be permitted not further than _____ from the point of attachment.
a. 3 feet
b. 4 feet
c. 6 feet
d. 2 feet
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Copyright 2008 Ted "Smitty" Smith
11. d230.54(C), EX
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Copyright 2008 Ted "Smitty" Smith
12. A metal box or terminal fitting having separately bushed holes for each conductor shall be used whenever change is made from a conduit to _____.
a. knob-and-tube wiring
b. Non-metallic sheathed cable
c. Type AC cable
d. Type MC cable
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Copyright 2008 Ted "Smitty" Smith
12. a300.16(A)
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Copyright 2008 Ted "Smitty" Smith
13. Electric water heaters fro swimming pools shall have the heating elements subdivided into loads NOT exceeding _____.
a. 32 amperes
b. 36 amperes
c. 48 amperes
d. 60 amperes
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Copyright 2008 Ted "Smitty" Smith
13. c 680.9
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Copyright 2008 Ted "Smitty" Smith
14. Concealed knob and tube wiring shall be permitted to be used only for _____.
a. Dwelling units
b. Extensions of existing installations
c. Accessible installations
d. Installing temporary wiring
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Copyright 2008 Ted "Smitty" Smith
14. b394.10(1)
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Copyright 2008 Ted "Smitty" Smith
15. In dwelling units, all 125 volt, single-phase, 15- and 20-ampere receptacle outlets installed within 6 feet of the outside edge of a sink in a laundry room shall ___.
a. Have a weatherproof cover
b. Have AFCI protection
c. Be a single receptacle
d. Be provided with GFCI protection
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Copyright 2008 Ted "Smitty" Smith
15. d210.8(A)(7)
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Copyright 2008 Ted "Smitty" Smith
16. The largest size copper conductor permitted for nonmetallic sheathed cable (NM) is size ____ AWG.
a. 4
b. 2
c. 6
d. 1
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Copyright 2008 Ted "Smitty" Smith
16. b334.104
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Copyright 2008 Ted "Smitty" Smith
17. For the purpose of determining box fill, size 12 AWG copper conductors with THHN insulation are to be calculated at _____ per conductor in the box.
a. 1.75 cubic inches
b. 2.00 cubic inches
c. 2.25 cubic inches
d. 2.50 cubic inches
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17. c Tbl. 314.16(B)
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Copyright 2008 Ted "Smitty" Smith
18. What is the MAXIMUM distance allowed between supports when installing type NM cable?
a. 3 feet
b. 4 ½ feet
c. 6 feet
d. 10 feet
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Copyright 2008 Ted "Smitty" Smith
18. b334.30
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Copyright 2008 Ted "Smitty" Smith
19. Disregarding exceptions, the MINIMUM size underground service lateral conductors permitted by the NEC® is _____.
a. 8 AWG copper
b. 6 AWG copper
c. 4 AWG aluminum
d. 2 AWG aluminum
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19. a230.31(B)
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Copyright 2008 Ted "Smitty" Smith
20. How many size 12/2 AWG with ground, type NM cables are permitted to be installed in an outlet box with a total volume of 18 cubic inches when the box contains a duplex receptacle outlet?
a. One
b. Two
c. Three
d. Four
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Copyright 2008 Ted "Smitty" Smith
20. b Tbl. 314.16(B) 314.16(B)(4) 18 cu. In. (box) = 8 wires (allowable fill) 2.25 cu. in. (#12 wire)
8 wires (allowable fill) -2 wires (device) 6 wires may be added
Size 12/2 with ground type NM = 3 wires in cable 6 wires (allowed) = 2 size 12 AWG NM cables are permitted in box 3 wires (per cable)
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End of Drill Click the left mouse button to
advance back to the first question. Each question will now be repeated without the timer to give you a chance to review it and find the answer.
Clicking the left mouse button will advance the slide to the answer and the code
reference.
Copyright 2008 Ted "Smitty" Smith
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Copyright 2008 Ted "Smitty" Smith
1. All 15- and 20-ampere, single-phase, 125-volt receptacle outlets located at LEAST _____ from the inside walls of a swimming pool shall be provided with GFCI protection.
a. 10 feetb. 15 feetc. 20 feetd. 25 feet
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Copyright 2008 Ted "Smitty" Smith
1. c 680.22(A)(4)
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Copyright 2008 Ted "Smitty" Smith
2. A luminaire shall be supported independently of the outlet box when it weighs more than _____ pounds, unless the outlet box is listed for the weight to be supported.
a. 6
b. 25
c. 35
d. 50
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Copyright 2008 Ted "Smitty" Smith
2. d 314.27(B)
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Copyright 2008 Ted "Smitty" Smith
3. Of the following listed connectors, which type is prohibited for connection of a grounding conductor to enclosures?
a. Sheet metal screws
b. Pressure connectors
c. Clamps
d. Lugs
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Copyright 2008 Ted "Smitty" Smith
3. a 250.8
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Copyright 2008 Ted "Smitty" Smith
4. A ground rod is required to be driven a MINIMUM depth of _____ feet into the soil.
a. 4
b. 6
c. 8
d. 10
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Copyright 2008 Ted "Smitty" Smith
4. c 250.53(G)
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Copyright 2008 Ted "Smitty" Smith
5. Receptacle outlets are permitted to be installed directly over a bathtub or shower stall _____.
a. If the outlet has a weatherproof cover
b. If the outlet is GFCI protected
c. If the outlet has a weatherproof cover and is GFCI protected
d. Never
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5. d 406.8(C)
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Copyright 2008 Ted "Smitty" Smith
6. Receptacle outlets installed in the _____ position in countertops are prohibited.
a. Vertical
b. Horizontal
c. Face-up
d. All of these are acceptable
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Copyright 2008 Ted "Smitty" Smith
6. c 406.4(E)
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Copyright 2008 Ted "Smitty" Smith
7. Receptacle outlets in a kitchen of a residence that are to serve countertop surfaces shall be installed so that no point along the wall line is more than _____ when measured horizontal from a receptacle in that space.
a. 24 inches
b. 18 inches
c. 36 inches
d. 48 inches
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7. a 210.52(C)(1)
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Copyright 2008 Ted "Smitty" Smith
8. The ampacity of branch-circuit conductors and the rating or setting of overcurrent protective devices supplying fixed outdoor electric deicing equipment, shall NOT be less than _____ percent of the full load current of the equipment.
a. 100
b. 125
c. 80
d. 150
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Copyright 2008 Ted "Smitty" Smith
8. b 426.4 210.19(A)(1)
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Copyright 2008 Ted "Smitty" Smith
9. When an intermediate metal conduit (IMC) contains conductors of 600 volts or less and is buried under a gravel driveway of a one family dwelling, the IMC must be buried at LEAST _____.
a. 12 inches
b. 18 inches
c. 24 inches
d. 30 inches
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9. b Tbl. 300.5, Col 2
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10. Disregarding exceptions, where residential lighting outlets are installed in interior stairways, there shall be a wall switch provided _____.
a. Near the stairsb. Every seven stepsc. At the top and bottom of the stairs if there are
more than six stepsd. At any convenient location
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Copyright 2008 Ted "Smitty" Smith
10. c 210.70(A)(2)(c)
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Copyright 2008 Ted "Smitty" Smith
11. Where it is impractical to locate the service head or gooseneck above the point of attachment of the service drop conductors, the service head or gooseneck shall be permitted not further than _____ from the point of attachment.
a. 3 feet
b. 4 feet
c. 6 feet
d. 2 feet
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Copyright 2008 Ted "Smitty" Smith
11. d230.54(C), EX
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Copyright 2008 Ted "Smitty" Smith
12. A metal box or terminal fitting having separately bushed holes for each conductor shall be used whenever change is made from a conduit to _____.
a. knob-and-tube wiring
b. Non-metallic sheathed cable
c. Type AC cable
d. Type MC cable
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Copyright 2008 Ted "Smitty" Smith
12. a300.16(A)
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Copyright 2008 Ted "Smitty" Smith
13. Electric water heaters fro swimming pools shall have the heating elements subdivided into loads NOT exceeding _____.
a. 32 amperes
b. 36 amperes
c. 48 amperes
d. 60 amperes
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Copyright 2008 Ted "Smitty" Smith
13. c 680.9
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Copyright 2008 Ted "Smitty" Smith
14. Concealed knob and tube wiring shall be permitted to be used only for _____.
a. Dwelling units
b. Extensions of existing installations
c. Accessible installations
d. Installing temporary wiring
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Copyright 2008 Ted "Smitty" Smith
14. b394.10(1)
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Copyright 2008 Ted "Smitty" Smith
15. In dwelling units, all 125 volt, single-phase, 15- and 20-ampere receptacle outlets installed within 6 feet of the outside edge of a sink in a laundry room shall ___.
a. Have a weatherproof cover
b. Have AFCI protection
c. Be a single receptacle
d. Be provided with GFCI protection
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Copyright 2008 Ted "Smitty" Smith
15. d210.8(A)(7)
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Copyright 2008 Ted "Smitty" Smith
16. The largest size copper conductor permitted for nonmetallic sheathed cable (NM) is size ____ AWG.
a. 4
b. 2
c. 6
d. 1
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Copyright 2008 Ted "Smitty" Smith
16. b334.104
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Copyright 2008 Ted "Smitty" Smith
17. For the purpose of determining box fill, size 12 AWG copper conductors with THHN insulation are to be calculated at _____ per conductor in the box.
a. 1.75 cubic inches
b. 2.00 cubic inches
c. 2.25 cubic inches
d. 2.50 cubic inches
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17. c Tbl. 314.16(B)
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Copyright 2008 Ted "Smitty" Smith
18. What is the MAXIMUM distance allowed between supports when installing type NM cable?
a. 3 feet
b. 4 ½ feet
c. 6 feet
d. 10 feet
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Copyright 2008 Ted "Smitty" Smith
18. b334.30
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Copyright 2008 Ted "Smitty" Smith
19. Disregarding exceptions, the MINIMUM size underground service lateral conductors permitted by the NEC® is _____.
a. 8 AWG copper
b. 6 AWG copper
c. 4 AWG aluminum
d. 2 AWG aluminum
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Copyright 2008 Ted "Smitty" Smith
19. a230.31(B)
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Copyright 2008 Ted "Smitty" Smith
20. How many size 12/2 AWG with ground, type NM cables are permitted to be installed in an outlet box with a total volume of 18 cubic inches when the box contains a duplex receptacle outlet?
a. One
b. Two
c. Three
d. Four
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Copyright 2008 Ted "Smitty" Smith
20. b Tbl. 314.16(B) 314.16(B)(4) 18 cu. In. (box) = 8 wires (allowable fill) 2.25 cu. in. (#12 wire)
8 wires (allowable fill) -2 wires (device) 6 wires may be added
Size 12/2 with ground type NM = 3 wires in cable 6 wires (allowed) = 2 size 12 AWG NM cables are permitted in box 3 wires (per cable)