This list of switch 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 switches devices, you will be able to identify the type and location of the various devices from this list of switch symbols.
The listing includes a description of the commonly used devices that are represented by these switch symbols.
This listing of switch symbols includes a variety of the most commonly installed switches which are mainly used for lighting however some may be used for wall receptacles, garbage disposals, and applications such as controlling a water fountain.
Electrical Wiring Diagram Symbols for Switches
Switch
The switch symbol typically refers to a single pole switch which is most commonly wall mounted and found in all areas of the home.
3-Way Switch
the 3-way switch symbol is used to describe a pair of light switches which are found in areas such as a hallway or stairway where a 3-way switch is located at opposite ends.
4-Way Switch
The 4-way switch symbol describes one or more 4-way switches which are commonly found in very long hallways or stairways where there is more than two access points.
Dimmer Switch
The dimmer switch symbol may refer to a variety of dimming type light switches which are used to control dimmable light fixtures commonly found in areas such as living rooms and bed rooms.
Be sure to get your copy of my BIG Book: Perfect for Homeowners, Students and Electricians Includes:
Home Electrical Wiring - Room by Room
120 Volt Circuits
240 Volt Circuits
Multi-Wired Circuits
Wiring Methods for Installing Home Electrical Circuit Wiring
Electrical Codes for Home Electrical Wiring
....and much more.
Questions about Wiring Diagrams and Switch Symbols
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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Identifying Electrical Diagram Symbols: Electrical symbols are used to identify the various components that are used when installing electrical circuits and devices - The electrical symbols for outlets switches light fixtures panels and more.
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.
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.
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.
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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