Telephone Cables | ||||||||||||
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 |