MIL-DTL-55036C
3.1.3 Color code. The conductor shall be fully color-coded. The different colors used shall conform to
table I and shall be readily distinguished. The base color shall be an integral part of the insulation. The
color band shall be applied using nonconductive ink over the insulation with a minimum circumferential
coverage of 80 percent. The width of the band shall be approximately .125 inch (3.175 mm). Spacing
between the 2 bands shall be approximately 0.0625 inch (1.586 mm). The color coding of the wire shall
repeat every .0.75 inch (19.05 mm) (see 4.6.3).
TABLE I. Color code.
Pair number
Layer
Wire base color Wire band
Mate base color
Mate band
1
Center
Blue
1 White
Blue
2 White
2
Center
Orange
1 White
Orange
2 White
3
Center
Green
1 White
Green
2 White
4
First
Brown
1 White
Brown
2 White
5
First
Gray (Slate)
1 White
Gray (Slate)
2 White
6
First
Blue
1 Red
Blue
2 Red
7
First
Orange
1 Red
Orange
2 Red
8
First
Green
1 Red
Green
2 Red
9
First
Brown
1 Red
Brown
2 Red
10
First
Gray (Slate)
1 Red
Gray (Slate)
2 Red
11
First
Blue
1 Black
Blue
2 Black
12
First
Orange
1 Black
Orange
2 Black
13
Second
Green
1 Black
Green
2 Black
14
Second
Brown
1 Black
Brown
2 Black
15
Second
Gray (Slate)
1 Black
Gray (Slate)
2 Black
16
Second
Blue
1 Yellow
Blue
2 Yellow
17
Second
Orange
1 Yellow
Orange
2 Yellow
18
Second
Green
1 Yellow
Green
2 Yellow
19
Second
Brown
1 Yellow
Brown
2 Yellow
20
Second
Gray (Slate)
1 Yellow
Gray (Slate)
2 Yellow
21
Second
Blue
1 Violet
Blue
2 Violet
22
Second
Orange
1 Violet
Orange
2 Violet
23
Second
Green
1 Violet
Green
2 Violet
24
Second
Brown
1 Violet
Brown
2 Violet
25
Second
Gray (Slate)
1 Violet
Gray (Slate)
2 Violet
26
Second
Red
1 White
Red
2 White
3.1.4 Pair twist. The insulated conductors shall be twisted into pairs. The average length of lay in any
pair of finished cable shall not be less than one inch or more than six inches when measured in any ten-
foot length. Each pair should have a varied lay (see 4.6.4).
3.1.5 Cabling. The twisted pairs shall be arranged in layers, 1 pair thick, to form a cylindrical core.
st
nd
The center layer shall consist of 3 pairs: the 1 layer 9 pairs, and the 2 layer 14 pairs shall be cabled
with a left-hand lay of not more than 5.0 inches (127 mm) (see 4.6.5).
3.1.6. Marker. Manufacturer's markers are permitted. The use of markers shall have no deleterious
effect on the finished cable (see 4.6.6).
3.1.7 Binder. An open binder of nylon yarn may be applied over the core with a right-hand lay, if
necessary, in the production process. (see 4.6.7).
4
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