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Wire a Light Switch
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Testimonials

Great help on a 3-Way wiring diagram from your website.  Much appreciated, as I have had the same 3 Way switch, non-operational, for over 5 years.. arghhh...I know it is a simple thing yet looking at both sets of wires and trying to imagine the wire runs was a bit aggravating but you made it simpler!

Kudos
Brian, Winnipeg
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Awesome. Thanx Terry. Cool site and extremely informative.

Johnny
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Thank you for the info on the three way switch you saved the day.

EDDIE B.  in MIssissippi
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Thank-you for your free video, it helped.

Bob
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What a great explanation!!  You have been so helpful.  Thanks so much.  I will hunt down that timer and give it a go.

Ken
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Your website is great.  I have it bookmarked and now visit frequently.  I have no previous electrical experience and your website helped me redo some wiring correctly and way easier than I thought it would be.

Thanks again.

Nicholas V
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Hi Terry,

I stumbled onto your website while doing a Google search for an electrical panel that's being installed in my new home that's currently being built.

Even though I've been doing my own electrical work for many years (I am not a contractor), I found your site to be a  valuable resource of information for all things electrical. Your site is much appreciated. Thank you.

 
Regards,
Mike A
Toronto, Canada

 

 

Wiring Diagrams
3-Way Switch Wiring Diagram Variation #3:
Power Into Switch Box #1 - Wire to Light From Switch Box #1, and From Switch Box #1 to Switch Box #2

             


 

The following diagram shows the power entering switch #1; from switch #1, to the light, and from switch #1 to switch #2. 

Note that in this case, a larger than normal device box is required at switch #1 location, due to box fill calculations (most regular size boxes will only accommodate five wires; in this situation, you will have seven wires).

NOTE:  This is a thumbnail diagram.  Click on it to enlarge it.

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