Electrical Symbols

A catalogue of electrical and electronic symbols on Power and Electronic parts.

A catalogue of electrical symbols containing electronic components and power elements.

*** Basic components

- AC Voltage source

- Battery

- Bell

- Cell

- Chassis ground

- Current controlled current source

- Current source

- DC Voltage source

- Digital ground

- Dip Switch

- Fuse

- Ground

- Photoresistor

- Push button (Normally open)

- Push button (Normally closed)

- Resistor

- Speaker

- SPDT

- SPST

- Tapped resistor

- Thermistor

- Trimmer

- Variable resistor

- Voltage controlled current source

- Wire

- Wires not connected

- Wires connected

*** Electronics

- Adjustable Inductor

- BJT (NPN)

- BJT (PNP)

- Capacitor

- Current regulator diode

- Diode

- Ferrite core inductor

- IGBT

- Inductor

- Iron core Inductor

- JFET N Channel

- JFET P Channel

- LED

- Op amp

- Photodiode

- Polarized capacitor

- Schottky diode

- Shunt inductor

- Tapped inductor

- Tunnel diode

- Varactor diode

- Variable capacitor

- Variable inductor

- Zener diode

*** Machines

- AC Motor

- Generator

- Motor

- Transformer

- Wattmeter

*** Power

- Busbar

- Circuit breaker

- Circuit breaker with thermal overload device

- Circuit breaker with magnetic overload device

*** Digital

- AND Gate

- NAND Gate

- NOR Gate

- NOT Gate

- OR Gate

- XNOR Gate

- XOR Gate

*** Single line diagram (One line diagram)

- Ammter

- Contactor

- Current transformer

- Frequency meter

- Generator

- HV Circuit breaker

- HV Draw out circuit breaker

- Inverter

- Lamp

- LC Circuit breaker

- LV Fuse

- Motor

- Phase meter

- Potential transformer

- Rectifier

- Transformer

- Var meter

- Voltmeter

- AC Motor drive (Variable frequency drive)