Earthing Cables & Conductors

 

Copper Cable

  • Conductor:-Bare stranded/ Flexible Copper Conductor.
    Insulation:-PVC/Rubber
  • Color:- Yellow/ Green, Green, Red, Yellow, Black, Blue
    Standards:-BS6004, IS694, IEC60227, CEI1024-1, 6491X, AS1746


Cables with Stranded (Hard) Copper Conductor

Nominal Cross Section Area
Sq. mm
Nos. / Size of Wire Nos./ mm Conductor Resistance at 20°C (max) Ohm/ Km
6 7/1.04 3.08
10 7/1.35 1.83
16 7/1.70 1.15
25 7/2.14 0.727
35 7/2.52 0.524
50 19/1.78 0.387
70 19/2.14 0.268
95 19/2.52 0.193
120 37/2.03 0.153
150 37/2.25 0.124
185 37/2.52 0.099
240 61/2.25 0.0754
300 61/2.52 0.061
400 61/2.85 0.047


Cables with Flexible Copper Conductor

Nominal Cross Section Area
Sq. mm
Nos. / Size of Wire
Nos./ mm
Conductor Resistance at 20°C (max)
Ohm/ Km
6 84/0.3 3.3
10 140/0.3 1.91
16 226/0.3 1.21
25 354/0.3 0.78
35 495/0.3 0.554
50 703/0.3 0.386
70 360/0.5 0.272
95 475/0.5 0.206
120 608/0.5 0.161
150 756/0.5 0.129
185 925/0.5 0.106
240 1221/0.5 0.0801