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Electrical Wire and Cable

How do I wire my 3-way switches?

By Dave Rongey - Summary:

In order to answer this question you must first identify the configuration of your existing wiring configuration including….

Electrical Question from billy about 3 Way Switch Diagram

Question: Do I connect a red wire to the white or black wire in a 3-way switch configuration?

Dave’s Reply:
Thanks for your electrical question Billy. In order to answer this question you must first identify the configuration of your existing wiring, including where the power source enters and where the switch leg leading up to the light fixtures is. Then you identify the travelers which connect between the two 3-way switches. Fully explained wiring instructions and wiring diagrams can be found here in the 3 Way Switch area here in this website.
Just click the 3 Way Switch Diagram link below.

The Following links will assist you with your electrical question:

For more information about 3 Way Switch Diagram
3 Way Switch Diagram

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One Response to “How do I wire my 3-way switches?”
  1. roger says:

    How to wire a ceiling fan between 2 three way switches, 12/3 from 1st switch, going to existing light, then 12/3 going from light to second switch, wanting to replace existing light with ceiling fan/light combo