Low Voltage Switch Gear
Appendix
99
■
Overall diameter of cables (Copper)
The dimensions are based on BS specification or the average values as given by the manufacturers.
The overall diameters given are for cables of 600/1000 V grade.
Number and nominal
area of cables (mm
2
)
Approx. overall diameter in mm
Number and nominal
area of cables (mm
2
)
Approx. overall diameter in mm
PVC/SWA
PVC
PVC/SWA
PVC
1 x 1.0
-
4.5
2 x 1.0
-
-
1 x 1.5
-
4.9
2 x 1.5
11.7
7.2
1 x 2.5
-
5.8
2 x 2.5
13.1
8.6
1 x 4.0
-
6.8
2 x 4.0
15.1
10.7
1 x 6.0
-
7.4
2 x 6.0
16.5
12.0
1 x 10.0
-
8.8
2 x 10.0
20.1
14.9
1 x 16.0
-
10.5
2 x 16.0
21.9
17.2
1 x 25.0
-
12.5
2 x 25.0
23.0
18.4
1 x 35.0
-
13.5
2 x 35.0
24.9
20.1
1 x 50.0
19.1
15.1
2 x 50.0
27.8
22.8
1 x 70.0
21.1
16.9
2 x 70.0
30.4
25.5
1 x 95.0
23.4
19.4
2 x 95.0
35.5
29.3
1 x 120.0
26.3
21.0
2 x 120.0
38.0
31.8
1 x 150.0
28.3
23.2
2 x 150.0
41.3
35.1
1 x 185.0
30.8
25.8
2 x 185.0
46.4
39.1
1 x 240.0
34.1
29.0
2 x 240.0
51.2
43.9
1 x 300.0
37.0
32.1
2 x 300.0
56.4
48.7
1 x 400.0
42.0
35.8
2 x 400.0
61.9
54.2
1 x 500.0
45.6
39.6
-
-
-
1 x 630.0
49.7
43.8
-
-
-
Number and nominal
area of cables (mm
2
)
Approx. overall diameter in mm
Number and nominal
area of cables (mm
2
)
Approx. overall diameter in mm
PVC/SWA
PVC
PVC/SWA
PVC
3 x 1.0
-
-
4 x 1.0
-
-
3 x 1.5
12.3
7.6
4 x 1.5
13.0
8.3
3 x 2.5
13.6
9.1
4 x 2.5
14.5
10.0
3 x 4.0
15.8
11.5
4 x 4.0
17.8
12.6
3 x 6.0
18.0
12.8
4 x 6.0
19.2
14.2
3 x 10.0
21.2
15.8
4 x 10.0
22.8
17.7
3 x 16.0
23.1
19.7
4 x 16.0
26.3
20.6
3 x 25.0
25.0
20.4
4 x 25.0
27.8
22.9
3 x 35.0
27.3
22.4
4 x 35.0
30.5
25.4
3 x 50.0
30.5
25.5
4 x 50.0
35.4
29.2
3 x 70.0
35.0
28.7
4 x 70.0
39.2
33.0
3 x 95.0
39.3
33.3
4 x 95.0
44.3
38.3
3 x 120.0
42.2
36.3
4 x 120.0
49.3
41.8
3 x 150.0
47.5
40.0
4 x 150.0
53.6
46.3
3 x 185.0
51.9
44.6
4 x 185.0
59.0
61.3
3 x 240.0
57.8
50.1
4 x 240.0
65.7
58.0
3 x 300.0
63.2
55.6
4 x 300.0
72.0
64.6
3 x 400.0
69.6
62.2
4 x 400.0
81.3
72.0