How To Wire Light Switches with Diagrams

Light Switch Wiring Diagrams

Electrical Question: I have a two single pole switch.

• On one side are two black screws and on the other two brass colored ones.
• I know that the black wires go to the black screws, and the white to the other.
• My question is which one is the line in and which ones are for the out lines.

This electrical wiring question came from: Brian, a Homeowner from Warren Michigan

Dave’s Reply:
Thanks for your electrical wiring question Brian.

Wiring Light Switches the Easy Way

Skill Level: Beginner to Intermediate.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience and ability to work with tools.
Precaution: Identify the light switch circuit, turn it OFF and  Tag it with a Note before working with the wiring.

• Brian, there is no such thing as a two single pole switch.
• You may be referring to is a four way switch.
• The actual placement of the wiring depends on the exact wiring that you have.
• Follow the links to the wiring diagrams which will give you full information.

The Following will assist you with your electrical question:

4-Way Switch Wiring Diagrams

Fully explained 4 way switch diagrams. 4-way switches are a convenient way to operate lighting fixtures from three or more locations. The electrical wiring adds additional wiring to the same principles of 3-way switching.

For more information about Light Switch Wiring
Light Switch Wiring

Wiring a Light Switch – Diagram 1
Fully explained pictures and wiring diagrams about wiring light switches describing the most common light switches starting with photo diagram 1.

» You Can Avoid Costly Mistakes! « Here's How to Do It: Wire It Right with the help of my Illustrated Wiring Book Great for any Home Wiring Project. Complete Guide to Home Electrical Wiring Perfect for Homeowners, Students, Handyman, Handywomen, and Electricians Includes: Wiring GFCI Outlets Wiring Home Electric Circuits 120 Volt and 240 Volt Outlet Circuits Wiring Light Switches Wiring 3-Wire and 4-Wire Electric Range Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet How to Troubleshoot and Repair Electrical Wiring Wiring Methods for Upgrading Electrical Wiring NEC Codes for Home Electrical Wiring ....and much more.

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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Home Electrical Wiring and Electrical Repairs Please Note: Unless otherwise posted, please refer to the following Guidelines when working on Electrical Projects: Skill Level: Intermediate to Advanced - Electrical Repairs and Circuit Wiring is Best Performed by a Certified Electrician or Licensed Electrical Contractor. Electrical Tools Required: Basic Electricians Pouch of Hand Tools, a Voltage Tester and a Multi Meter. Estimated Time: Depends on personal level experience, ability to work with tools, work with electrical wiring, and the available access to the project area. Precaution: Identify the project circuit, turn it OFF and Tag it with a Note before working with the wiring. Important: Modifying existing electrical circuits or installing additional electrical wiring should be done according to local and National Electrical Codes, with a permit and be inspected.

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