Panel Symbols

By Dave Rongey
Summary: Identification of Panel Symbols used in Electrical Construction for understanding Blueprints and Electrical Drawings.

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Panel Symbols for Home Electrical Wiring

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This list of panel symbols will help you to identify these devices on the electrical blueprint or wiring diagram layout.

When performing any electrical wiring for any of these panels, you will be able to identify the type and location of the various devices from this list of panel symbols.

The listing includes a description of the commonly used devices that are represented by these panel symbols.

This listing of electrical panels represents a panel symbol which may be used as a sub-panel or a main electrical service panel.

Wiring Diagram Symbols for Panels

Service Panel
The service panel symbol refers to an electrical panel where the electrical circuit breakers are located. The service panel is typically located inside or outside the home depending on the location of the home and the structural design.

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Complete Guide to Home Electrical Wiring

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Includes:
Table of Electrical Wiring Symbols
Home Electrical Plans with Symbols - Room by Room
Electrical Drawings with 240 Volt Receptacle Symbols
Electric Wiring with 120 Volt Lighting Symbols
Electric Wiring with 120 Volt Outlet Symbols
Telephone Wiring Symbols
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Questions about Wiring Diagrams and Electric Panel Symbols

Electrical Tips to Help You Wire it Right

The Safest Way to Test Electrical Devices and Identify Electric Wires!

The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.

The Quickest Way to Check for Faulty Electrical Wiring!

The Plug-In Outlet Tester
This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect Very handy and easy to use.

Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!

The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..

The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.

More about Panel symbols

Electrical Power Circuit For An RV
How do I go about connecting wire to the service panel and also to the RV? Electrical Circuit Power Requirements for an RV Circuit. RV units have either a 30 amp or 50 amp electrical hookup connection.

Residential Wiring Diagrams
Residential wiring diagrams are an important tool for completing your electrical projects. An electrical wiring diagram can be as simple as a diagram showing how to install a new switch in your hallway, or as complex as the complete electrical blueprint for your new home.

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panel symbols - 1768

Designing a Home Electrical Wiring Plan and Circuits

Electrical Project Skill Level:
Intermediate to Advanced - Best performed by a Licensed Architect
Electrical Tools Required:
Drafting Supplies, a Well Lighted Drafting Table, Mechanical Pencil, Scaled Ruler, Electrical Symbols Template, Drafting Paper and Soft Eraser or Electrical Circuit Design Software or Computer Aided Design CAD Software.
Estimated Time:
Depends on personal level experience, ability to produce drawings or draw scaled drawings or work with CAD Design Software.
Electrical Safety:
Planning the Electrical Devices and Mechanical Equipment is essential to properly size the Home Electrical Service Panel and Sub Panels. Electrical Symbols must be used to identify the proposed circuit or electrical equipment or device.
Residential Electrical Parts and Materials:
Electrical parts and materials for home wiring projects should be approved for the specific project and compliant with local and national electrical codes.
Electrical Codes and Inspections:
Home Electrical Circuit Designs must be made in compliance with all Applicable Local and National Electrical Codes and Electrical Plans must be submitted to the appropriate building department or agency for approval as required for the specific project.

The Safest Way to Test Electrical Devices and Identify Electric Wires!
The Non-Contact Electrical Tester

This is a testing tool that is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.

The Quickest Way to Check for Faulty Electrical Wiring!
The Plug-In Outlet Tester

This is great to troubleshoot a problem with outlet circuit wiring, is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect, Very handy and easy to use.

Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!
The Wire Stripper and Wire Cutter

A wire stripping tool used to safely strip electrical wires. This handy tool has multiple uses: The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation. The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets.

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Panel Symbols

Panel Symbols for Home Electrical Wiring

Electrical Wiring Video

How to Install and Wire a Sub Panel

NOTE: A List of All my Helpful Videos

Will Display at the End of This Video

So Keep Watching So I Can Help You Wire it Right!

Check out my YouTube Channel:
» AskTheElectrician «
and Subscribe!

Wiring Diagram Symbols for Panels