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FOREWORD
12
ELECTRIC WIRE CODE
00
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
00
Nominal num-
Number of
ber
strands
0.85
11
2
26
5
65
15
84
40
85
60
127
100
217
CLASSIFICATION BY COLOR AND CODE
00
Circuits
Priority
Classi-
fication
Code
1
Color
Code
2
Color
Code
3
Color
Code
4
Color
Code
5
Color
Code
6
Color
00-12
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 & Yel-
—
Black
WL
—
White &
—
Black & Red
Blue
WG
—
White &
—
Green
—
—
—
—
Cable O.D.
Current rat-
(mm)
ing (A)
2.4
12
3.1
20
4.6
37
7.0
59
11.4
135
13.6
178
17.6
230
Starting
Lighting
B
R
Black
Red
BW
RW
Black &
Red &
White
White
BY
RB
Red & Black
low
BR
RY
Red & Yel-
low
—
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
Instrument
Signal
Y
G
Yellow
Green
YR
GW
Yellow &
Green &
Red
White
YB
GR
Yellow &
Green &
Black
Red
YG
GY
Yellow &
Green &
Green
Yellow
YL
GB
Yellow &
Green &
Blue
Black
YW
GL
Yellow &
Green &
White
Blue
GD530/650/670
Other
L
Blue
LW
Blue &
White
LR
Blue & Red
LY
Blue & Yel-
low
LB
Blue &
Black
—
—
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