Nominal cross sectional area No of wires & wire diameter Sectional Area of aluminium Total sectional area Overall diameter Total Weight Calculated breaking Load Max. d.c. resistance @20 °C
Aluminium Steel
mm2 mm mm mm2 mm2 mm2 kg/km kN Ohm/km
25 6/2.36 1/2.36 26.25 30.62 7.08 106 9.61 1.093
30 6/2.59 1/2.59 31.61 36.88 7.77 128 11.45 0.9077
40 6/3.00 1/3.00 42.41 49.48 9 172 15.2 0.6766
50 6/3.35 1/335 52.88 61.7 10.05 214 18.35 0.5426
70 12/2.79 7/2.79 73.37 116.2 13.95 538 61.2 0.3936
100 6/4.72 7/1.57 105 118.6 14.15 394 32.7 0.2733
150 30/2.59 7/2.59 158.1 194.9 18.13 726 69.2 0.1828
150 18/3.35 1/3.35 158.7 167.5 16.75 506 35.7 0.1815
175 30/2.79 7/2.79 183.4 226.2 19.53 842 79.8 0.1576
175 18/3.61 1/3.61 184.3 194.5 18.05 587 41.1 0.1563
200 30/3.00 7/3.00 212.1 261.5 21 974 95.25 0.1363
200 18/3.86 1/3.86 210.6 222.3 19.30 671 46.55 0.1367
400 54/3.18 7/3.18 428.9 484.5 28.62 1621 131.9 0.0674