How To Read Electric Wire Code - Komatsu PC200LL-8 Shop Manual

FOREWORD
12

How To Read Electric Wire Code

★ The information about the wires unique to each machine model is described in Troubleshooting section, Relational
information of troubleshooting.
In the electric circuit diagram, the material, thickness, and color of each electric wire are indicated by symbols. The electric
wire code is helpful in understanding the electric circuit diagram.
Example: AEX 0.85
1. Type, Symbol, And Material
AV and AVS are different in only thickness and outside diameter of the cover. AEX is similar to AV in thickness and
outside diameter of AEX and different from AV and AVS in material of the cover.
(Table 1)
Type Symbol
Low-voltage
wire for AV
automobile
Thin-cover
low-voltage
AVS
wire for
automobile
Heat-resistant
low-voltage
AEX
wire for
automobile
00-26
b
L - - - Indicates blue, heat-resistant, low-voltage wire for automobile, having nominal No. of
0.85
Indicates color of wire by color code.
Color codes are shown in Table 3.
Indicates size of wire by nominal No.
Size (Nominal No.) is shown in Table 2.
Indicates type of wire by symbol.
Type, symbol, and material of wire are shown in Table 1.
(Since AV and AVS are classified by size (nominal No.), they are not indicated.)
Material
Annealed copper for electric
Conductor
appliance
Insulator Soft polyvinyl chloride
Annealed copper for electric
Conductor
appliance
Insulator Soft polyvinyl chloride
Annealed copper for electric
Conductor
appliance
Heat-resistant crosslinked
Insulator
polyethylene
ELECTRIC WIRE CODE
Using
temperature Example of use
range °C (°F)
General wiring
(Nominal No. 5 and above)
–30 to +60
(-22 to +140)
General wiring
(Nominal No. 3 and below)
General wiring in extremely cold
–50 to +110
district, wiring at high-temperature
(-58 to +230)
00
place
PC200/220LL-8