TABLE - 67
MAXIMUM D.C. RESISTANCE OF CONDUCTOR AND ARMOUR FOR PVC INSULATED CABLES
Maximum D.C. Resistance per km of cable at 20 °C
Nominal Cross- sectional area of conductor
Aluminium wire armour Galvanized Steel Wire armour 0.6/1.0 kV 1.9/3.3 kV 0.6/1.0 kV 0.6/1.0 kV 1.9/3.3 kV 0.6/1.0 kV 0.6/1.0 kV Single core Single core Two core Three core Four core Five core
Copper conductor
Aluminium conductor
mm²
ohm ohm ohm ohm ohm ohm ohm ohm ohm
1.5
12.1
-------
-------
-------
10.2
9.5
-------
8.8
8.2
2.5
7.41
-------
-------
-------
8.8
8.2
-------
7.7
6.8
4
4.61
-------
-------
-------
7.5
7.0
-------
4.6
4.1
6
3.08
-------
-------
-------
6.8
4.6
-------
4.1
3.8
10
1.83
-------
-------
-------
3.9
3.7
-------
3.4
2.3
16
1.15
1.91
-------
-------
3.4
3.1
1.9
2.2
2.0
25
0.727
1.20
-------
-------
2.6
2.4
1.7
2.1
1.7
35
0.524
0.868
-------
-------
2.4
2.1
1.7
1.9
1.5
50
0.387
0.641
0.82
0.73
2.1
1.9
1.3
1.3
1.1
70
0.268
0.443
0.73
0.65
1.9
1.4
1.2
1.2
0.89
95
0.193
0.320
0.64
0.45
1.3
1.2
1.1
0.98
-------
120
0.153
0.253
0.45
0.42
1.2
1.1
0.74
0.71
-------
150
0.124
0.206
0.40
0.39
1.1
0.74
0.69
0.65
-------
185
0.0991
0.164
0.37
0.36
0.78
0.68
0.64
0.59
-------
240
0.0754
0.125
0.33
0.33
0.69
0.60
0.58
0.52
-------
300
0.0601
0.100
0.30
0.30
0.63
0.54
0.53
0.47
-------
400
0.0470
0.0778
0.21
0.21
0.56
0.49
0.48
0.34
-------
500
0.0366
0.0605
0.19
0.19
-------
-------
-------
-------
-------
630
0.0283
0.0469
0.18
0.18
-------
-------
-------
-------
-------
800
0.0221
0.0367
0.13
0.13
-------
-------
-------
-------
-------
1000
0.0176
0.0291
0.12
0.12
-------
-------
-------
-------
-------
53 MKK XXS002-02/01-12-2014
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