4 core cu/xlpe/swa/pvc and 4 core al/xlpe/sct/pe Equivalent Cable Size Comparison
 
Nominal cross-sectional area
For CU		 Cu conductor current rating (Amperes) Votage drop CU conductor
(mV/A/m)		 Votage drop AL conductor
(mV/A/m)		 Equivalent current rating of AL conductor (Amperes) Nominal cross-sectional area
For AL
10mm² 73 4.0 4.2 76 16mm²
16mm² 94 2.5 2.7 90 25mm²
25mm² 124 1.65 1.45 136 50mm²
35mm² 154 1.15 0.97 174 70mm²
50mm² 187 0.87 0.72 211 95mm²
70mm² 238 0.60 0.58 245 120mm²
95mm² 289 0.45 0.47 283 150mm²
120mm² 335 0.37 0.39 323 185mm²
150mm² 386 0.30 0.31 382 240mm²
185mm² 441 0.26 0.26 440 300mm²
240mm² 520 0.21 0.22 517 400mm²
300mm² 599 0.185 0.19 605 500mm²
400mm² 673 0.165 0.175 691 630mm²

The continous current carrying capacities are based on the following condition :

(i) Ambient temp 30°C
(ii) Max. continuous loading temp of conductor 90°C
(iii) Clipped direct, one 3 or 4 core cables, 3 phase a.c.
 
 
Categories
• CU/XLPE/PVC • CU/XLPE/SWA PVC • AL/XLPE/PVC • AL/XLPE/SCT/PE
 

 
Convertion Table
• ARMOURED CABLE • NON-ARMOURED Cable