What are the BS5308 Pair Colour Codes

BS5308 Part 1 Cables

Multicore pairs in cables manufactured BS5308 Part 1 cables or PAS5308 Part 1 are unscreened and identified by insulation colour in the following sequence.

Pair Number	'A' Wire	'B' Wire
1	Black	Blue
2	Black	Green
3	Blue	Green
4	Black	Brown
5	Blue	Brown
6	Green	Brown
7	Black	White
8	Blue	White
9	Green	White
10	Brown	White
11	Black	Red
12	Blue	Red
13	Green	Red
14	Brown	Red
15	White	Red
16	Black	Orange
17	Blue	Orange
18	Green	Orange
19	Brown	Orange
20	White	Orange
21	Red	Orange
22	Black	Yellow
23	Blue	Yellow
24	Green	Yellow
25	Brown	Yellow
26	White	Yellow
27	Red	Yellow
28	Orange	Yellow
29	Black	Grey
30	Blue	Grey
31	Green	Grey
32	Brown	Grey
33	White	Grey
34	Red	Grey
35	Orange	Grey
36	Yellow	Grey
37	Black	Violet
38	Blue	Violet
39	Green	Violet
40	Brown	Violet
41	White	Violet
42	Red	Violet
43	Orange	Violet
44	Yellow	Violet
45	Grey	Violet
46	Black	Turquoise
47	Blue	Turquoise
48	Green	Turquoise
49	Brown	Turquoise
50	White	Turquoise

Screened pairs in BS5308/PAS5308 cables are identified either by colour insulation or by a numbered polyester film which serves as part of the screen insulation in which case each pair has one black and one blue cable in the pair.

BS5308 Part 2 Cables

Multicore pairs in cables manufactured BS5308 Part 1 cables or PAS5308 Part 1 are unscreened and identified by insulation colour in the following sequence.

Pair Number	'A' Wire	'B' Wire
1	White	Blue
2	White	Orange
3	White	Green
4	White	Brown
5	White	Grey
6	Red	Blue
7	Red	Orange
8	Red	Green
9	Red	Brown
10	Red	Grey
11	Black	Blue
12	Black	Orange
13	Black	Green
14	Black	Brown
15	Black	Grey
16	Yellow	Blue
17	Yellow	Orange
18	Yellow	Green
19	Yellow	Brown
20	Yellow	Grey
21	White-Blue	Blue
22	White-Blue	Orange
23	White-Blue	Green
24	White-Blue	Brown
25	White-Blue	Grey
26	Red-Blue	Blue
27	Red-Blue	Orange
28	Red-Blue	Green
29	Red-Blue	Brown
30	Red-Blue	Grey
31	Blue-Black	Blue
32	Blue-Black	Orange
33	Blue-Black	Green
34	Blue-Black	Brown
35	Blue-Black	Grey
36	Yellow-Blue	Blue
37	Yellow-Blue	Orange
38	Yellow-Blue	Green
39	Yellow-Blue	Brown
40	Yellow-Blue	Grey
41	White-Orange	Blue
42	White-Orange	Orange
43	White-Orange	Green
44	White-Orange	Brown
45	White-Orange	Grey
46	Orange-Red	Blue
47	Orange-Red	Orange
48	Orange-Red	Green
49	Orange-Red	Brown
50	Orange-Red	Grey

More information on BS5308 cable can be found on our standards page.

What are the BS5308 Pair Colour Codes

BS5308 Part 1 Cables

BS5308 Part 2 Cables

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