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Electrical Wire and Cable

Installing Three Way Dimmer Light Switches

By Dave Rongey - Summary:

How to Install One or Two 3-Way Dimmer Switches: I have 4 kitchen ceiling lights that are currently controlled by two 3-way switches. I’d like to add a dimmer.

Installing One or Two 3-Way Dimmer Switches

Question: I have 4 kitchen ceiling lights that are currently controlled by two 3-way switches. I’d like to add a dimmer.


This home electrical question came from: Doug, from Trumbull, Connecticut.

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

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.

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