Caledonian Cables Ltd

(For Multipair PE insulated Collective Screened Cables to BS 5308 Part1.)
Two-pair unscreened cables are cabled in quad formation and colour coded in clockwise order of rotation,
black,blue,green,brown.
All other cables up to 50 pairs conform to the following coding:

Pair No.	‘A' Wire	‘B' Wire	Pair No.	‘A' Wire	‘B' Wire
1.	Black	Blue	26.	White	Yellow
2.	Black	Green	27.	Red	Yellow
3.	Blue	Green	28.	Orange	Yellow
4.	Black	Brown	29.	Black	Grey
5.	Blue	Brown	30.	Blue	Grey
6.	Green	Brown	31.	Green	Grey
7.	Black	White	32.	Brown	Grey
8.	Blue	White	33.	White	Grey
9.	Green	White	34.	Red	Grey
10.	Brown	White	35.	Orange	Grey
11.	Black	Red	36.	Yellow	Grey
12.	Blue	Red	37.	Black	Violet
13.	Green	Red	38.	Blue	Violet
14.	Brown	Red	39.	Green	Violet
15.	White	Red	40.	Brown	Violet
16.	Black	Orange	41.	White	Violet
17.	Blue	Orange	42.	Red	Violet
18.	Green	Orange	43.	Orange	Violet
19.	Brown	Orange	44.	Yellow	Violet
20.	White	Orange	45.	Grey	Violet
21.	Red	Orange	46.	Black	Turquoise
22.	Black	Yellow	47.	Blue	Turquoise
23.	Blue	Yellow	48.	Green	Turquoise
24.	Green	Yellow	49.	Brown	Turquoise
25.	Brown	Yellow	50.	White	Turquoise