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FOREWORD
12
ELECTRIC WIRE CODE
In the wiring diagrams, various colors and symbols are employed to indicate the thickness of wires. This wire code table will
help you understand WIRING DIAGRAMS.
Example:
05WB indicates a cable having a nominal number 05 and white coating with black stripe.
Classification By Thickness
Nominal
Number of
number
strands
0.85
11
2
26
5
65
15
84
40
85
60
127
100
217
Classification By Color And Code
Circuits
Priority
Classification
Code
1
Color
Code
2
Color
Code
3
Color
Code
4
Color
Code
5
Color
Code
6
Color
PC200/220LL-8
Copper wire
Dia. Of strand
Cross section
(mm)
(mm)
0.32
0.88
0.32
2.09
0.32
5.23
0.45
13.36
0.80
42.73
0.80
63.84
0.80
109.1
Charging
Ground
W
B
White
Black
WR
—
White &
—
Red
WB
—
White &
—
Black
WL
—
White &
—
Blue
WG
—
White &
—
Green
—
—
—
—
Cable O.D.
Current
(mm)
rating (A)
2.4
12
3.1
20
4.6
37
7.0
59
11.4
135
13.6
178
17.6
230
Starting
Lighting
Instrument
B
R
Black
Red
BW
RW
Black &
Red &
White
White
BY
RB
Black &
Red &
Yellow
Black
BR
RY
Black &
Red &
Red
Yellow
—
RG
Red &
—
Green
—
RL
—
Red & Blue
ELECTRIC WIRE CODE
Applicable circuit
Starting, lighting, signal etc.
Lighting, signal etc.
Charging and signal
Starting (Glow plug)
Starting
Starting
Starting
Signal
Y
G
Yellow
Green
YR
GW
Yellow &
Green &
Red
White
YB
GR
Yellow &
Green &
Blue & Red
Black
Red
YG
GY
Yellow &
Green &
Green
Yellow
YL
GB
Yellow &
Green &
Blue
Black
YW
GL
Yellow &
Green &
White
Blue
00
00
00
Other
L
Blue
LW
Blue &
White
LR
LY
Blue &
Yellow
LB
Blue &
Black
—
—
00-25
b
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