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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Colour Codes & Cable Make Up