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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
VOLT METER
CAPACITOR
POTENTIOMETER
SINGLE POLE
DOUBLE THROW
RELAY
TRIPLE POLE
DOUBLE THROW
RELAY
241914ACA
38
HOURMETER
LIGHT
HYDRAULIC
VALVE COIL
PROPORTIONAL
HYDRAULIC
VALVE COIL
ELECTRIC
MOTOR
HORN
EMERGENCY
STOP BUTTON
RESISTOR
LEVEL SENSOR
DOUBLE POLE
SINGLE THROW
RELAY
DIODE
KEY SWITCH
FOOT SWITCH
TOGGLE SWITCH
PUSH BUTTON
ROTARY SWITCH
LIMIT SWITCH
CAM OPERATED
LIMIT SWITCH
TILT SWITCH
SINGLE POLE
SINGLE THROWN
RELAY
DOUBLE POLE
DOUBLE THROW
RELAY
RHEOSTAT
Electrical Symbol Chart
LIMIT SWITCH
LIMIT SWITCH
CLOSED
LIMIT SWITCH
LIMIT SWITCH
SILICON
CONTROLLED
RECTIFIER
PROXIMITY
SWITCH
PNP
TRANSISTOR
NPN
TRANSISTOR
VACUUM
SWITCH
TEMPERATURE
SWITCH
SJ12 E, SJ16 E, SJ20 E
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