Size of conductor

Mm sq

Stranding
Class

Conductor resistance an 20 ℃

ohms/km

Nominal Thickness of Insulation

mm

Mean Overall Diameter (upper limit)

mm

Approx Weight

kg/km

*1
1.5
1.5
2.5
2.5

1
1
2
1
2

18.1
12.1
12.1
7.41
7.41

0.6
0.7
0.7
0.8
0.8

2.7
3.2
3.3
3.9
4.0

15
21
22
32
35

4
6
10
16
25

2
2
2
2
2

4.61
3.08
1.83
1.15
0.727

0.8
0.8
1.0
1.0
1.2

4.6
5.2
6.7
7.8
9.7

50
71
120
180
280

35
50
70
95
120

2
2
2
2
2

0.524
0.387
0.268
0.193
0.153

1.2
1.4
1.4
1.6
1.6

10.9
12.8
14.6
17.1
18.8

380
510
710
970
1200

150
185
240
300
400

2
2
2
2
2

0.124
0.0997
0.0754
0.0601
0.0470

1.8
2.0
2.2
2.4
2.6

20.9
23.3
26.6
29.6
33.2

1480
1900
2480
3100
3950

500
631

2
2

0.0366
0.0283

2.8
2.8

36.9
41.1

5000
6350