SYMBOL EXPLANATION
ELECTRICAL SYMBOLS USED IN WIRING DIAGRAM
DIODE
ZENNER DIODE
LIGHT EMITTING DIODE (LED)
TRANSISTOR (NPN)
TRANSISTOR (PNP)
4-POINT, NO (NORMALLY OPEN) RELAY
4-POINT, NC (NORMALLY CLOSED) RELAY
4-POINT, NO (NORMALLY OPEN) RELAY WITH DE-SPIKING
DIODE
4-POINT, NC (NORMALLY CLOSED) RELAY WITH DE-SPIKING
DIODE
30
86
8
85
30
86
8
85
30
86
8
85
30
86
8
85