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Section 3 – System Component Identification and Schematics
Table
3.1 Electrical Symbol Chart
CIRCUITS CROSSING
NO CONNECTION
CIRCUITS
CONNECTED
BATTERY
GROUND
FUSE
CIRCUIT
BREAKER
V
VOLT METER
CAPACITOR
POTENTIOMETER
RESISTOR
229040ABA
50
TT
HOURMETER
LIGHT
HYDRAULIC
VALVE COIL
PROPORTIONAL
HYDRAULIC
VALVE COIL
ELECTRIC
M
MOTOR
HORN
PUSH BUTTON
ROTARY SWITCH
EMERGENCY
STOP BUTTON
RHEOSTAT
KEY SWITCH
FOOT SWITCH
TOGGLE SWITCH
ANGLE
TRANSDUCER
& TILT SWITCH
TEMPERATURE
SWITCH
SINGLE POLE
SINGLE THROW
RELAY
SINGLE POLE
DOUBLE THROW
RELAY
DOUBLE POLE
DOUBLE THROW
RELAY
DOUBLE POLE
SINGLE THROW
RELAY
TRIPLE POLE
DOUBLE THROW
RELAY
Electrical Symbol Chart
LIMIT SWITCH
CAM OPERATED
LIMIT SWITCH
LIMIT SWITCH
N.O
LIMIT SWITCH
N.O HELD
CLOSED
LIMIT SWITCH
N.C.
LIMIT SWITCH
N.C HELD OPEN
BEEPER
DIODE
SJ82 T, SJ86 T
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