Most Important Electrical Wiring Diagram Symbols


Most Important Electrical Wiring Diagram Symbols


Hey, in this article we are going to know the most important electrical wiring diagram symbols. Here, we will see the most common symbols used in electrical engineering diagrams. If you are an electrical engineering student or professional then you must know these symbols. Because without knowledge of these symbols, you cannot able to read any electrical wiring diagrams, circuit diagrams, or wiring diagrams.


Electrical Line/Conductor/Wire/Cable Symbol

It is the most important symbol to read any wiring diagrams. All the diagrams have these symbols.

Electrical Line/Conductor/Wire/Cable Symbol



Electric Line Crossing Symbol

When you are going to draw electrical wiring, then you must know this symbol.

Electrical Line Crossing Symbol



Electrical Conductor or Wire Joint Symbol

Electrical Conductor or Wire Joint Symbol



Grounding or Earthing Symbol

The symbol of grounding or earthing is also a very important symbol for electrical wiring diagrams and circuit diagrams. All the electrical installation, machinery, circuits should be connected to the ground.

Grounding or Earthing Symbol





Electric Light Symbol

Electric Light Bulb or Lamp Symbol



Battery Symbol

A battery is a device that can store electrical energy. A battery can store the DC supply only not AC. The battery is very helpful for emergency power supply and portable power supply purposes.

Double Cell Battery Symbol




Single Phase Transformer Symbol

A transformer is an electrical machine that transfers electrical energy from one circuit to another by changing its voltage level. A transformer is a very important machine and has a very important role in electrical engineering. So, you must know the symbol of transformer for electrical drawings.

Single Phase Transformer Symbol



Three Phase Transformer Symbol

Three Phase Transformer Symbol




Single Phase Motor Symbol

Single Phase Motor Symbol






Three Phase Motor Symbol

Three(3) Phase Motor Symbol



Alternator Symbol

An alternator is a machine that converts mechanical energy into electrical energy in the form of alternating current or AC.

Alternator Symbol



Generator Symbol

Electrical Generator Symbol



Electrical Switch Symbol

A switch is a device that is used to start or stop the flow of electric current in an electrical circuit.

Switch Symbol






Energy Meter Symbol(Measuring Device)

energy meter symbol



Circuit Breaker Symbol(Protective Device)

Circuit Breaker Symbol



Inductor Symbol(Electrical or Electronic Component)

inductor symbol



Resistor Symbol

resistor symbol



Capacitor Symbol

capacitor symbol






Fuse Symbol

Electric Fuse Symbol



Relay Symbol

Relay Symbol



Isolator Symbol

Relay Symbol



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Most Important Electrical Wiring Diagram Symbols Most Important Electrical Wiring Diagram Symbols Reviewed by Author on 11/11/2021 Rating: 5
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