Electrical Wiring Symbols, Meanings and Drawings
Electrical Wiring Symbols, Meanings and Drawings of All Electrical Symbols and their Function.
Here is List of All the Electrical Wiring Symbols, Meanings and Drawings for both Residential and Commercial.

Basic Electrical Wiring Symbols
Electrical Wiring Symbols for Wire
Name | Meaning / Function | Symbol |
Electrical Wire | Conduct Electricity | ![]() |
Connected Wires | Wires are Connected | ![]() |
Not Connected Wires | Wires are not Connected | ![]() |
Electrical Wiring Symbols for Ground
Name | Meaning / Function | Symbol |
Earth Ground | Protection against Electrical Shock | ![]() |
Chassis Ground | Connected to Chassis of a Circuit | ![]() |
Common Ground | For Analog and Digital Grounding | ![]() |
Power Supply Symbols
Name | Meaning / Function | Symbol |
Voltage Source | Constant Voltage Source | ![]() |
Current Source | Constant Current Source | ![]() |
AC Voltage Source | Source of AC Voltage | ![]() |
Battery | Constant Voltage Source | ![]() |
Battery Cell | Constant Voltage Source | ![]() |
Generator | Mechanical Voltage Source | ![]() |
Lamp and Light Bulb Symbols
Name | Meaning / Function | Symbol |
Lamp or Light Bulb | Generates Light with Flow of Current | ![]() |
Lamp or Light Bulb | Generates Light with Flow of Current | ![]() |
Lamp or Light Bulb | Generates Light with Flow of Current | ![]() |
Switch and Relay Symbols
Name | Meaning / Function | Symbol |
SPST Toggle Switch | Disconnect Current when Open | ![]() |
SPDT Toggle Switch | Select Between 2 Connections | ![]() |
Push Button Switch (N.O) | Switch Momentary – Generally Open | ![]() |
Push Button Switch (N.C) | Switch Momentary – Generally Closed | ![]() |
DIP Switch | Onboard Configuration | ![]() |
SPST Relay | Single Pole Single Throw | ![]() |
SPDT Relay | Single Pole Double Throw | ![]() |
Jumper | Jumper to Close Connection | ![]() |
Solder Bridge | Solder Connection | ![]() |
Other Important Electrical Wiring Symbols
Name | Meaning / Function | Symbol |
Electrical Switch box | Box to Install Switches | ![]() |
Circuit Breaker | Trip to Break the Electric Circuit and Stop Flow of Electricity | ![]() |
Dishwasher Outlet | Outlet for Dishwasher | ![]() |
Fan Outlet | Outlet for Fan | ![]() |
Junction Box | Install Junction Box | ![]() |
TV Outlet | Outlet for Television | ![]() |
Exhaust Fan | Outlet for Exhaust Fan | ![]() |
Water Heater Outlet | Outlet for Water Heater | ![]() |
Telephone Jack Outlet | Outlet for Telephone Jack | ![]() |
Electrical Panel | Install Electrical Panel | ![]() |
Distribution Box | Install Distribution Box | ![]() |
Thermostat | Install Thermostat | ![]() |
Air Condition | Install Air Condition | ![]() |
Fire Alarm | Install Fire Alarm | ![]() |
Alarm | Install Alarm | ![]() |
Doorbell | Install Doorbell | ![]() |
Smoke Detector | Install Smoke Detector | ![]() |
Home Electrical Wiring Connection for Inverter
Conclusion:
There are several other Electrical Wiring Symbols used in Residential and Commercial Wiring, but the above list of symbols are the important ones.
These Electrical and Electronic Circuit Symbols are generally used for drawing schematic diagram.
FAQs: Basic Electrical Symbols and Their Meanings
Where can I find a comprehensive list of electrical wiring symbols and their meanings?
I have already mentioned most of the Basic Electrical Symbols and Their Meanings.
You can also find a comprehensive list of electrical wiring symbols and their meanings in electrical engineering textbooks, online resources, and specialized software. Many websites and platforms provide free access to extensive symbol libraries, making it easy to understand and create electrical diagrams.
What are some common electrical wiring symbols and their meanings?
Below are some of the most common electrical wiring symbols and their meanings:
- Resistor: Represents a component that resists the flow of electrical current, often used to control the amount of current in a circuit.
- Switch: Depicts a device that can open or close a circuit, controlling the flow of electricity to a load.
- Light Bulb: Symbolizes a light source, indicating where a light fixture is placed in a circuit.
- Outlet: Represents a point where electrical devices can be connected to a power source.
- Ground: Signifies a connection to the Earth, used for safety and to prevent electrical shocks.
How do I read electrical wiring symbols on a diagram?
Reading electrical wiring symbols involves understanding their shapes and annotations. Each symbol has a unique shape that corresponds to a specific component. Annotations or labels next to symbols provide additional information, such as the type of device or its specifications. Reference guides and legends are often provided alongside diagrams to help you interpret the symbols accurately.
Can I use electrical wiring symbols in my own projects or publications?
Yes, you can use electrical wiring symbols in your projects or publications, as they are considered tools for conveying technical information. However, it's important to provide proper attribution if you're using symbols from copyrighted sources. Additionally, using symbols in a way that misleads or misrepresents technical information should be avoided to ensure accurate communication. Always check the usage rights and permissions associated with any symbol libraries you access.
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Thanks for the knowledge
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Thanks for sharing useful information for us.
Thanks
If you’re working with electrical wiring, it’s important to know the symbols and meanings of all the different wires and components. Nice job giving a quick rundown of all the most common electrical wiring symbols.
Thank you for giving me an idea about electrical wiring symbols. This is very helpful for our home electrical structure plan.
Good
The tutorial is much educative
This blog post is a helpful reference for anyone seeking to understand electrical wiring symbols and drawings, providing a well-explained and visual guide to this important topic.
I find it interesting when you showed me the symbol used to represent circuit breakers which are used to stop the flow of electricity. I can imagine how that component is essential for a property to prevent power surges from affecting their appliances and even starting a fire. And we already need a home electrical repair service the check that part of our house after living here for almost a decade to ensure that it is still working properly after all these years.