Standard Telco Wiring Diagram
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blue-white |
1 |
26 |
white-blue |
orange-white |
2 |
27 |
white-orange |
green-white |
3 |
28 |
white-green |
brown-white |
4 |
29 |
white-brown |
gray-white |
5 |
30 |
white-gray |
blue-red |
6 |
31 |
red-blue |
orange-red |
7 |
32 |
red-orange |
green-red |
8 |
33 |
red-green |
brown-red |
9 |
34 |
red-brown |
gray-red |
10 |
35 |
red-grey |
blue-black |
11 |
36 |
black-blue |
orange-black |
12 |
37 |
black-orange |
green-black |
13 |
38 |
black-green |
green-black |
13 |
38 |
black-green |
brown-black |
14 |
39 |
black-brown |
gray-black |
15 |
40 |
black-gray |
blue-yellow |
16 |
41 |
yellow-blue |
orange-yellow |
17 |
42 |
yellow-orange |
green-yellow |
18 |
43 |
yellow-green |
brown-yellow |
19 |
44 |
yellow-brown |
gray-yellow |
20 |
45 |
yellow-gray |
blue-violet |
21 |
46 |
violet-blue |
orange-violet |
22 |
47 |
violet-orange |
green-violet |
23 |
48 |
violet-green |
brown-violet |
24 |
49 |
violet-brown |
gray-violet |
25 |
50 |
violet-gray |
|
or 
