Colour Codes & Cable Make Up|Telephone cables

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Ordering Information

Colour Codes & Cable Make Up

A) Colour Code According to IEC 189-3

Standard Colours	Easily Identifiable Combinations		Less-easily Identifiable Combinations
BLUE	RED	Black	BROWN	Black
ORANGE	RED	Blue	ORANGE	Black
GREEN	ORANGE	Green	ORANGE	Grey
BROWN	ORANGE	Blue	GREEN	Grey
GREY	ORANGE	Violet	GREEN	Violet
WHITE	YELLOW	Black	VIOLET	Black
RED	YELLOW	Red	GREY	Black
BLACK	YELLOW	Green **	GREY	Violet
YELLOW	YELLOW	Blue	WHITE	Brown
VIOLET	YELLOW	Violet	WHITE	Orange
PINK	GREEN	Black	WHITE	Violet
TURQUOISE	GREEN	Red	GREEN	Blue
	BLUE	Black	BROWN	Blue
	GREY	Red	GREY	Brown
	GREY	Blue	GREEN	Brown
	WHITE	Black	WHITE	Grey
	WHITE	Red	ORANGE	Brown
	WHITE	Green	ORANGE	Red
	WHITE	Blue	RED	Brown
			WHITE	Yellow

**NOTE: The colour YELLOW-Green should be reserved for earth or safety wires

B) Colour Code & Cable Make Up According to ICEA S-80-576

Pair No.	a-wire		b-wire		Pair No.	a-wire		b-wire
1	WHITE	Blue	BLUE	White	13	BLACK	Green	GREEN	Black
2	WHITE	Orange	ORANGE	White	14	BLACK	Brown	BROWN	Black
3	WHITE	Green	GREEN	White	15	BLACK	Grey	GREY	Black
4	WHITE	Brown	BROWN	White	16	YELLOW	Blue	BLUE	Yellow
5	WHITE	Grey	GREY	White	17	YELLOW	Orange	ORANGE	Yellow
6	RED	Blue	BLUE	Red	18	YELLOW	Green	GREEN	Yellow
7	RED	Orange	ORANGE	Red	19	YELLOW	Brown	BROWN	Yellow
8	RED	Green	GREEN	Red	20	YELLOW	Grey	GREY	Yellow
9	RED	Brown	BROWN	Red	21	VIOLET	Blue	BLUE	Violet
10	RED	Grey	GREY	Red	22	VIOLET	Orange	ORANGE	Violet
11	BLACK	Blue	BLUE	Black	23	VIOLET	Green	GREEN	Violet
12	BLACK	Orange	ORANGE	Black	24	VIOLET	Brown	BROWN	Violet
					25	VIOLET	Grey	GREY	Violet

In accordance with ICEA publication S-80-576-2002, the colour code is composed of ten (10) distinctive colours to identify 25 pairs. Marking of each mate of the primary conductor in a pair with the colour of that primary conductor is optional.
When cables of larger than 25 pairs are required, the core shall be assembled into 25-pair sub-units, each colour coded in accordance with ICEA publication S-80-576. Cables with over 600 pairs shall have 25-pair binder groups combined into super units. These super units shall be wrapped with a solid colour thread that follows the primary colour scheme of white, red, black, yellow and violet. Binder colour code integrity shall be maintained wherever cables are spliced.

C) Colour Code According to IEC 60189-2, BT210B

Colour Scheme for Pairs & Triples

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

Note 1: In each triple there shall be a c-wire, coloured TURQUOISE.
Note 2: Uppercase letters indicate the base, solid colour of insulation, and the lower case indicates ink bands applied onto the base colour.
Make-up & Unit Identification Colours – 20 Pair Unit

Pair Size

Center

1st Layer

2nd Layer

9-15

20Pair

Number
of Unit

ORANGE

40Pair

4 x ½

ORANGE

GREEN

80Pair

6 x ½

ORANGE

NATURL

GREEN

160Pair

4 x ½

ORANGE

GREEN

ORANGE

NATURL

GREEN

320Pair

ORANGE

NATURL

GREEN

ORANGE

NATURL

GREEN

Note 1: ½ refers to sub-units of 10 Pairs.

D) Colour Code & Cable Make Up According to CW 1171, CW 1224, CW 1236

Colour Scheme for Pairs

Pair No.	a-wire	b-wire	Pair No.	a-wire	b-wire
1	WHITE	BLUE	13	BLACK	GREEN
2	WHITE	ORANGE	14	BLACK	BROWN
3	WHITE	GREEN	15	BLACK	GREY
4	WHITE	BROWN	16	YELLOW	BLUE
5	WHITE	GREY	17	YELLOW	ORANGE
6	RED	BLUE	18	YELLOW	GREEN
7	RED	ORANGE	19	YELLOW	BROWN
8	RED	GREEN	20	YELLOW	GREY
9	RED	BROWN	21	VIOLET	BLUE
10	RED	GREY	22	VIOLET	ORANGE
11	BLACK	BLUE	23	VIOLET	GREEN
12	BLACK	ORANGE	24	VIOLET	BROWN
			25	VIOLET	GREY

Binder Colour Identification (Double & Quadruple Units)

Unit	Position of Sub-unit or Unit
Unit	First	Second	Third	Fourth
Double	BLUE	BLUE	ORANGE	ORANGE
Quadruple	BLUE	ORANGE	GREEN	BROWN

Binder Colour Identification (Centre & Layers)

Position of Units
First	Intemediate	Last
RED	NATURAL	GREEN

Cable Size	Nunber&Pair Sizes of Units in Centre and successive Layers				No.of Pair in Spare Pair Unit	No.of Unusable Pairs Allowed
Cable Size	Centre	1st Layer	2nd Layer	3rd Layer	No.of Pair in Spare Pair Unit	No.of Unusable Pairs Allowed
50	1х50				0	1
100	1х25 1х100	3х(12+13)			0	1
200	1х50 4х50	6х25			4	2
300	1х50 1х100	5х50 8х25			4	3
400	1х100	6х50			4	3
500	3х50 1х100	7х50 8х50			4	4
600	3х50 1х100	9х50 5х100			4	4
800	1х50 4х50	5х50 6х100	10х50		4	5
1000	4х50 3х100	8х100 7х100			4	5
1200	3х100 4х100	9х100 8х100			4	5
1600	1х100	5х100	10х100		4	6
2000	4х50	6х100	12х100		8	6
2400	3х100	8х100	13х100		8	7
3200	1х100	5х100	10х100	16х100	8	7
4000	3х100	7х100	12х100	18х100	8	8
4800	4х100	9х100	15х100	20х100	8	8

Note: Alternative make-ups are shown for some sizes and as a further alternative any cable can be made-up using 25 Pair Units throughout.

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