3. Voltage drop at 50 Hz of multicore cables
with circular copper conductors
Vc at 50 Hz in mV/A.m
Conductor Size at a conductor temperature of 75 °C
in mm2 1Φ Value 3Φ Value
1 51.63 44.7
1.5 33.03 28.6
2.5 18.02 15.6
4 11.22 9.71
6 7.5 6.49
10 4.46 3.86
16 2.81 2.43
25 1.78 1.54
35 1.28 1.11
These figures are based on Table 42 of AS3008. 1.
4. Voltage drop at 50 Hz of multicore cables
with circular copper conductors
Vc at 50 Hz in mV/A.m
Conductor Size at a conductor temperature of 75 °C
in mm2 1Φ Value 3Φ Value
1 51.63 44.7
1.5 33.03 28.6
2.5 18.02 15.6
4 11.22 9.71
6 7.5 6.49
10 4.46 3.86
16 2.81 2.43
25 1.78 1.54
35 1.28 1.11
These figures are based on Table 42 of AS3008. 1.
lΦ value = 3Φ value x l.155
