Basic Electrical Symbol Legend
Posted by
James Freeman
|
Basic electrical symbol legend shows a collection of graphic notations used to represent various electrical and electronic devices such as cell, battery, resister, heater, etc.
Basic Electrical Symbols
Earth electrode
Protective earth
Signal ground
Cell
Battery





Source
Ideal source
Resister
Alternate resister
Variable resister





Pre-set resister
Pre-set potentiometer
Potentiometer resister
Attenuator
Contact





Capacitor
Capacitor 2
Capacitor with Step
Capacitor with tapping
Various connections





Accumulator
Antenna
Antenna 2
Diode
Diode LED





Loop antenna
Loop antenna 2
Co-Ax
Crystal
Circuit breaker





Fuse
Fuse 2
Fuse 3
Fuse (IEC)
Fuse (IEEE)



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Fuse (obsolete)
Generic component
Transducer
Transducer 2
Inductor
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Half inductor
Heater
Current transformer
Potential transforming
Power transformer





Pickup head
Pulse
Alternating pulse
Saw tooth
Step function





Explosive squib
Sensing link squib
Squib ignitor
Surge protectors 2
Indicator





Switch
Ammeter switch
Voltmeter switch
Motor
Ammeter





Voltmeter
Generator
Varmeter
HZ
Thermometer





Hourmeter
Material
Component
Delay element
Surge protectors





Permanent magnet
Magnet core
Ferrite core
Distribution panel
Instrumentation panel





Igniter plug
Bell
Buzzer
Remote control station
Thermal element





Thermocouple
Thermopile
Lamp
Lamp 2
Lamp 3





Lamp 4
Neon lamp
Illuminating bulb
Fluorescent lamp
Speaker





Microphone
Microphone 2
Oscillator
AC source
DC source





Constant source
Junction box
Straight junction box
Equipotential
Frame





Protected earth electrode

Use the Symbols to Make Circuit Diagram Easily
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Read more on Electrical Symbols and Their Usage
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