Komatsu PC200LC-8 Shop Manual page 17

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 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
Circuits
Priority Classi-
fication
Code
1
Color
Code
2
Color
Code
3
Color
Code
4
Color
Code
5
Color
Code
6
Color
PC200LC-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 &
— 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
Black &
Red & Black
Yellow
BR RY
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
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
00
00
00
Other
L
Blue
LW
Blue &
White
LR
Blue & Red
LY
Blue &
Yellow
LB
Blue &
Black
—
—
00-17