Conductors for Single Core & Multi Core Cables

 

**Conductor Technical Information For Single Core and Multicore cables conforming to

IS-8130 / ’1984 (Stranded-Class-2) Copper & Aluminium Conductors.

Nominal

Size of

Conductor

Minimum Number of Wires Max. D.C. Resistance

at 20ºC

A.C. Resistance

at 90ºC

Non

Compacted

Compacted

Round/Shaped

Plain

Coper

Aluminium Plain

Coper

Aluminium
Sq.mm CU. ALU. CU. ALU. Ohm/Km Ohm/Km Ohm/Km Ohm/Km
1.5* 3 3 - - 12.1 18.1 15.5 23.17
2.5* 3 3 - - 7.41 12.1 9.48 15.5
4* 7 3 - - 4.61 7.41 5.90 9.48
6* 7 3 - - 3.08 4.61 3.94 5.90
10* 7 7 6 - 1.83 3.08 2.34 3.94
16 7 7 6 6 1.15 1.91 1.47 2.44
25 7 7 6 6 0.727 1.20 0.930 1.54
35 7 7 6 6 0.524 0.868 0.671 1.11
50 19 19 6 6 0.387 0.641 0.495 0.82
70 19 19 12 12 0.268 0.443 0.343 0.567
95 19 19 15 15 0.193 0.320 0.247 0.410
120 37 37 18 15 0.153 0.253 0.196 0.324
150 37 37 18 15 0.124 0.206 0.159 0.264
185 37 37 30 30 0.0991 0.164 0.127 0.210
240 61 37 34 30 0.0754 0.125 0.0965 0.160
300 61 61 34 30 0.0601 0.100 0.0769 0.128
400 61 61 53 53 0.0470 0.0778 0.0602 0.10
500 61 61 53 53 0.0366 0.0605 0.0468 0.0774
630 91 91 53 53 0.0283 0.0469 0.0362 0.060
800 91 91 53 53 0.0221 0.0367 0.0283 0.0470
1000 91 91 53 53 0.0176 0.0291 0.0225 0.0372