Colour Codes
a) Colour coded |
1 Core |
Red or black |
2 Core |
Red, black |
3 Core |
Red, yellow, blue |
4 Core |
Red, yellow, blue, black |
5 Core and above |
Sequentially numbered |
b) Number coded - most popular for stock items
Technical Information
Voltage rating |
0.6/1kV |
Conductors |
BS6360 class 2 or class 5
(Class 5 is generally manufactured to order) |
Temperature rating |
+90°C maximum conductor temperature |
Static temperature rating |
-30°C to +90°C |
Bending radius (static) |
≤ 25mm² 4 x cable O/D
> 25mm² 6 x cable O/D |
Flame retardant |
IEC60332 part 3A, BS4066 part 3A |
Fire resistant |
IEC60331 (3 hours @ +750°C) |
|
Technical Data |
Nominal area
of conductor
mm |
Diameter over
inner sheath
min-max mm |
Diameter over
outer sheath
min-max mm |
Single-core cables
|
1 |
5.1 - 6.3 |
8.0 - 9.2 |
1.5 |
5.4 - 6.6 |
8.2 - 9.4 |
2.5 |
5.8 - 7.0 |
8.8 - 10.0 |
4 |
6.7 - 8.0 |
9.7 - 10.9 |
6 |
7.2 - 8.5 |
10.3 - 11.7 |
10 |
8.1 - 9.5 |
11.4 - 12.8 |
16 |
9.3 - 10.7 |
12.6 - 14.0 |
25 |
11.5 -13.2 |
15.4 - 17.7 |
35 |
12.3 -14.1 |
16.5 - 18.8 |
50 |
14.1 -15.9 |
18.2 - 20.6 |
70 |
15.8 -17.8 |
12.2 - 23.0 |
95 |
18.1 -20.2 |
22.6 - 25.6 |
120 |
20.0 -22.4 |
24.7 - 27.7 |
150 |
22.0 -24.6 |
26.9 - 30.1 |
185 |
24.4 -27.0 |
30.0 - 33.6 |
240 |
27.5 -30.3 |
33.3 - 37.0 |
300 |
30.4 -33.6 |
36.4 - 40.2 |
400 |
34.1 -37.5 |
40.5 - 44.9 |
500 |
38.0 -41.5 |
44.7 - 49.3 |
630 |
41.6 -45.6 |
48.5 - 53.7 |
Two-core cables
|
1 |
8.3 - 9.6 |
11.6 - 13.0 |
1.5 |
9.0 - 10.4 |
12.3 - 13.7 |
2.5 |
9.8 - 11.4 |
13.1 - 14.5 |
4 |
11.8 -13.5 |
15.7 - 18.0 |
6 |
12.9 -14.6 |
17.0 - 19.3 |
10 |
14.9 -16.8 |
19.0 - 21.4 |
16 |
17.1 -19.1 |
21.4 - 24.3 |
25 |
21.2 -23.7 |
25.9 - 29.0 |
35 |
23.1 -25.7 |
28.0 - 31.2 |
50 |
26.5 -29.2 |
32.3 - 38.5 |
70 |
30.3 -33.5 |
36.3 - 40.2 |
95 |
34.9 -38.2 |
41.2 - 45.7 |
120 |
38.4 -42.2 |
45.1 - 49.6 |
150 |
42.5 -46.5 |
49.4 - 54.7 |
185 |
47.1 -51.3 |
54.4 - 59.8 |
240 |
53.5 -58.2 |
61.3 - 67.5 |
300 |
59.3 -64.3 |
67.5 - 73.9 |
|
Nominal area
of conductor
mm |
Diameter over
inner sheath
min-max mm |
Diameter over
outer sheath
min-max mm |
Three-core cables
|
1 |
9.0 - 10.4 |
12.3 - 13.7 |
1.5 |
9.6 - 11.0 |
12.8 - 14.2 |
2.5 |
10.4 - 12.1 |
13.7 - 15.1 |
4 |
12.6 - 14.3 |
16.5 - 18.8 |
6 |
13.8 - 15.5 |
17.9 - 20.2 |
10 |
15.9 - 17.8 |
20.2 - 23.0 |
16 |
18.2 - 20.3 |
22.8 - 25.7 |
25 |
22.9 - 25.4 |
27.8 - 30.9 |
35 |
24.9 - 27.6 |
30.5 - 34.1 |
50 |
28.5 - 31.3 |
34.3 - 38.1 |
70 |
32.7 - 35.9 |
38.8 - 43.2 |
95 |
37.5 - 41.0 |
44.1 - 48.6 |
120 |
41.3 - 45.3 |
48.3 - 53.4 |
150 |
45.8 - 49.9 |
52.9 - 58.2 |
185 |
50.9 - 55.5 |
58.6 - 64.6 |
240 |
57.5- 62.4 |
65.6 - 71.9 |
300 |
64.0 - 69.4 |
72.6 - 79.6 |
Four-core cables
|
1 |
9.8 - 11.4 |
13.1 - 14.5 |
1.5 |
10.5 - 12.1 |
13.7 - 15.1 |
2.5 |
11.4 - 13.1 |
15.4 - 17.6 |
4 |
13.8 - 15.6 |
17.9 - 20.3 |
6 |
15.3 - 17.3 |
19.6 - 22.5 |
10 |
17.7 - 19.7 |
22.2 - 25.1 |
16 |
20.3 - 22.8 |
25.0 - 28.1 |
25 |
25.5 - 28.1 |
31.0 - 34.7 |
35 |
27.7 - 30.5 |
32.5 - 37.2 |
50 |
31.8 - 35.0 |
37.9 - 41.8 |
70 |
36.3 - 39.7 |
42.9 - 47.4 |
95 |
41.7 - 45.7 |
48.6 - 53.8 |
120 |
46.2 - 50.3 |
53.5 - 58.9 |
150 |
51.1 - 55.7 |
58.7 - 64.7 |
185 |
56.8 - 61.6 |
64.3 - 71.1 |
240 |
64.3- 69.8 |
73.0 - 80.0 |
300 |
71.5 - 77.6 |
80.7 - 88.4 |
Five-core cables and above
|
5x1.5 |
11.4 - 13.1 |
15.4 - 17.6 |
7x1.5 |
12.6 - 14.4 |
16.6 - 18.9 |
12x1.5 |
16.8 - 18.8 |
21.2 - 24.0 |
19x1.5 |
19.9 - 22.4 |
24.4 - 27.5 |
27x1.5 |
24.3 - 26.9 |
29.2 - 32.8 |
37x1.5 |
27.4 - 30.4 |
33.0 - 36.7 |
5x2.5 |
12.7 - 14.4 |
16.6 - 18.9 |
7x2.5 |
13.9 - 15.6 |
18.0 - 20.3 |
12x2.5 |
18.7 - 20.8 |
23.2 - 26.2 |
19x2.5 |
22.1 - 24.7 |
26.8 - 30.0 |
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