Electrical Symbols

In reading wiring diagrams you need to know what the symbols mean. Here are some common symbols and their description.

Battery

Resistor

Junction

Lamp

Ground

Diode

Speaker

Fuse

Circuit Breaker

Single Pole. Single Throw Switch

Double Pole, Double Throw Switch

Capacitor

Transformer

Zener Diode

Inductor

PNP Transistor

NPN Transistor

Chassis Ground

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