Colour Codes & Cable Make Up

Mirror Image Core Lay-ups
Mirror image telephone cable core constructions are available in 1200 pair or more cable designs, all of which use 100 pair super units.

H) Colour Code According to BT CW 110J

Pair No.	a-wire	b-wire		Pair No.	a-wire	b-wire		Pair No.	a-wire		b-wire
1	WHITE	BLUE		35	YELLOW	WHITE	Green	69	VIOLET		BROWN	Blue
2	WHITE	ORANGE		36	YELLOW	Green	Brown	70	VIOLET		GREY	Blue
3	WHITE	GREEN		37	YELLOW	GREY	Green	71	VIOLET		WHITE	Orange
4	WHITE	BROWN		38	YELLOW	WHITE	Brown	72	VIOLET		ORANGE	Green
5	WHITE	GREY		39	YELLOW	GREY	Brown	73	VIOLET		ORANGE	Brown
6	WHITE	WHITE	Blue	40	YELLOW	WHITE	Grey	74	VIOLET		GREY	Orange
7	WHITE	ORANGE	Blue	41	BLACK	BLUE		75	VIOLET		WHITE	Green
8	WHITE	GREEN	Blue	42	BLACK	ORANGE		76	VIOLET		GREEN	Brown
9	WHITE	BROWN	Blue	43	BLACK	GREEN		77	VIOLET		GREY	Green
10	WHITE	GREY	Blue	44	BLACK	BROWN		78	VIOLET		WHITE	Brown
11	WHITE	WHITE	Orange	45	BLACK	GREY		79	VIOLET		GREY	Brown
12	WHITE	ORANGE	Green	46	BLACK	WHITE	Blue	80	VIOLET		WHITE	GREY
13	WHITE	ORANGE	Brown	47	BLACK	ORANGE	Blue	81	RED		BLUE
14	WHITE	GREY	Orange	48	BLACK	GREEN	Blue	82	RED		ORANGE
15	WHITE	WHITE	Green	49	BLACK	BROWN	Blue	83	RED		GREEN
16	WHITE	GREEN	Brown	50	BLACK	GREY	Blue	84	RED		BROWN
17	WHITE	GREY	Green	51	BLACK	WHITE	Orange	85	RED		GREY
18	WHITE	WHITE	Brown	52	BLACK	ORANGE	Green	86	RED		WHITE	Blue
19	WHITE	GREY	Brown	53	BLACK	ORANGE	Brown	87	RED		ORANGE	Blue
20	WHITE	WHITE	Grey	54	BLACK	GREY	Orange	88	RED		GREEN	Blue
21	YELLOW	BLUE		55	BLACK	WHITE	Green	89	RED		BROWN	Blue
22	YELLOW	ORANGE		56	BLACK	GREEN	Brown	90	RED		GREY	Blue
23	YELLOW	GREEN		57	BLACK	GREY	Green	91	RED		WHITE	Orange
24	YELLOW	BROWN		58	BLACK	WHITE	Brown	92	RED		ORANGE	Green
25	YELLOW	GREY		59	BLACK	GREY	Brown	93	RED		ORANGE	Brown
26	YELLOW	WHITE	Blue	60	BLACK	WHITE	Grey	94	RED		GREY	Orange
27	YELLOW	ORANGE	Blue	61	VIOLET	BLUE		95	RED		WHITE	Green
28	YELLOW	GREEN	Blue	62	VIOLET	ORANGE		96	RED		GREEN	Brown
29	YELLOW	BROWN	Blue	63	VIOLET	GREEN		97	RED		GREY	Green
30	YELLOW	GREY	Blue	64	VIOLET	BROWN		98	RED		WHITE	Brown
31	YELLOW	WHITE	Orange	65	VIOLET	GREY		99	RED		GREY	Brown
32	YELLOW	ORANGE	Green	66	VIOLET	WHITE	Blue	100	RED		WHITE	Grey
33	YELLOW	ORANGE	Brown	67	VIOLET	ORANGE	Blue	101	WH	Red	BLUE
34	YELLOW	GREY	Orange	68	VIOLET	GREEN	Blue	102	WH	Red	ORANGE

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