Basic Electrical and Electronic Symbols

Summary of main Basic Electrical Symbols and Electronic Symbols. To see more specific representations you can access the related link on the "+ symbols" attached to the device name

Symbology Basic Electrical and Electronic

Symbol Description Symbol Description

Symbols passive components

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Resistor symbol, IEC system Resistor
IEC system
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  Resistor symbol, NEMA system Resistor
NEMA system
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Inductor / Coil symbol Inductor / Coil
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  Capacitor symbol Capacitor
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Switch symbol Switch
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  Circuit switch symbol Circuit switch
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Pushbutton symbol Pushbutton
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  Plug symbol, IEC system Plug
IEC system
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Fuse symbol Fuse
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  Female plug symbol, IEC system Female plug
IEC system
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Electric line symbol Electric line
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  Plug symbol, NEMA system Plug
NEMA system
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Ground symbol Ground
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  Female plug symbol, NEMA system Female plug
NEMA system
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Symbols active components

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Diode symbol Diode
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  Diac symbol Diac
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Thyristor symbol Thyristor
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  Triac symbol Triac
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IC / Chip symbol IC / Chip
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  Amplifier symbol Amplifier
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Electric generator Electric generator
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  Battery symbol Battery
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Transistor symbol Transistor
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  Vacuum tube, diode symbol Vacuum tube / Electron tube
e.g. Diode
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Symbols active components (Digital electronic)

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AND gate symbol, ANSI system AND gate
ANSI system
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  OR gate symbol, ANSI system OR gate
ANSI system
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NAND gate symbol, ANSI system NAND gate
ANSI system
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  NOR gate symbol, ANSI system NOR gate
ANSI system
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Logic inverter symbol Logic inverter
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  Symbol of display 7-segment LED Display 7-segment LED
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AND gate symbol, British system AND gate
British system
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  OR gate symbol, British system OR gate
British system
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AND gate symbol, NEMA system AND gate
NEMA system
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  OR gate symbol, NEMA system OR gate
NEMA system
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Instrumentation symbols

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Ammeter symbol Ammeter
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  Voltmeter symbol Voltmeter
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Ohmmeter symbol Ohmmeter
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  Frequencymeter symbol Frequencymeter
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Wattmeter symbol Wattmeter
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  Electric clock symbol Electric clock
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Electrical counter / Integrator symbol Electrical counter / Integrator
The asterisk is replaced by the letter or symbol for the quantity count
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  Recording instrument symbol Recording instrument
The asterisk is replaced by the letter or symbol of the magnitude recorded
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Other basic electrical and electronic symbols

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Antenna / aerial symbol Antenna / Aerial
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  Speaker symbol Speaker
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Microphone symbol Microphone
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  Lamp / Light Bulb symbol Lamp / Light Bulb
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Direct current, DC symbol Direct current, DC
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  Alternating current, AC symbol Alternating current, AC
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Positive polarity symbol Positive polarity
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  negative polarity symbol Negative polarity
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Piezoelectric crystal symbol Piezoelectric crystal
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  Relay symbols, (Coil and Switch) Relay (Coil and Switch)
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Electric transformer symbol Electric transformer
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  Electric motor symbol Electric motor
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Index of all Electrical and Electronic Symbols
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