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ByDave Rongey © Ask the Electrician 2017 Author, Licensed Electrical Contractor
» Home Electrical Wiring Guide Book

Installing Dimmers for 3 Way and 4 Way Switches

How can I wire a 3way dimmer switch to one of the switch locations? Dimmer Switch Wiring Connections, Installing Multiple Dimmer Switches, Types of 3Way and 4Way Dimmer Switches.

Wiring 3Way and 4Way Dimmer Switches
Electrical Question: How can I wire a 3way dimmer switch to one of the switch locations?

I want to add a dimmer switch to one of the switch locations. I replaced one of the three way switches with a 3 way dimmer switch.

Thanks

This electrical question came from: Terry, a Handyman from Bermuda, New York.

Additional Comments: Great Website.

Dave’s Reply:
Thanks for your electrical question Terry and Mary.

How to Wire 3Way and 4Way Dimmer Switches

Application: Wiring a Dimmer Switch.
Skill Level: Beginner to Intermediate – Best if wired by a Licensed Electrical Contractor.
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 circuit, turn it OFF and Tag it with a Note before working with the dimmer switch wiring.
Materials: Make sure the replacement dimmer switch has the same amperage and voltage rating as the original switch, and is fully compatible with the electrical circuit, the light fixture and the type of light bulbs being used. The dimmer switch must be rated for the amount of watts that will be controlled.

Common Problems When Wiring a Dimmer Switch and How to Fix Them

More About Wiring 3Way Dimmer Switch Wiring

3 Way Switch Diagram

Wiring a dimmer switch
wiring-a-dimmer-switch
3 Way Dimmer Switch Wiring Diagram
Fully explained 3 way dimmer switch wiring diagram will take the mystery out of wiring a 3-way dimmer switch.

4 Way Switch Wiring
4 Way Switch Wiring
4 Way Switch Wiring
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.

Electrical circuit
home-electrical-circuits
Electric Circuit Listing
The size of the home electrical service panel is designed by calculating the square footage of the home and factoring in the code requirements for the electrical circuits that are required.


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