ASTM CONDUCTOR SIZES - METRIC UNITS Nominal Size Diameter (mm)

Resistance3 ohms/km

Individual Wires Weight1 (kg/krn) Content %

Code Word (AWG

or KCM) (mm2) Stranding

(AI/Stl) Al Stl Steel Core

Complete Cable At Stl Total Al Stl

Rated Strength2

kg DC@ 20 0C

AC @ 75 0C

Current Rating4 (Amps)

Lark 397.5 201.42 30/7 2.924 2.924 8.77 20.46 559.2 367.2 926.5 60.35 39.65 9208 .139 .170 594 Teal 605.0 306.6 30/19 3.607 2.164 10.82 25.25 851.2 546.7 1398 60.89 39.11 13608 .0916 .112 773

ASTM B 232/B 232M AMERICAN SIZES

CodeNameNominalArea No./Nominaldiameterof

wiresApproximate

Overall Diameter

Approximate Weight

NominalBreaking

Load

NominalDCResistance at

20 C

Current Rating (*)Aluminium Steel Total Aluminium Steel

mm2 mm2 mm2 No./mm No./mm mm kg/km KN ohm/km A

Ibis 201.34 32.73 234.07 26/3.14 7/2.44 19.88 812.4 68.05 0.1434 404Lark 200.90 46.88 247.78 30/2.92 7/2.92 20.44 925.2 84.07 0.1441 406

Teal $ 307.06 69.62 376.68 30/3.61 19/2.16 25.24 1396.6 124.54 0.0943 525

Drake 402.56 65.44 468.00 26/4.44 7/3.45 28.11 1626.4 131.66 0.0717 615

Dorking 190.8 96.68 12/7 3.203 3.203 9.61 16.01 267.8 440.8 708.6 37.79 62.21 8482 .0277 .0526 324

AbdulqadirRectangle

ACSR 12ACSR2

Electrical Engineer's Reference Book Overhead Chapter 30