Electrical – 3 Switch Wall plate to 1 Wall Plate Ceiling Fan

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This is for U.S. based electrical in a house built in 2001.

Current State

I have a ceiling fan with a light that I am going to replace. With this new fan I want to change the 3 switch configuration down to just one.

I no longer will need two switches (Switch 1 and 2 in image below) as the one switch from the fan's manufacturer will handle all necessary functions.

I also no longer need Switch 3 as I do not want a light switch controlling power to these outlets (but the outlets still need to have power).

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Future State

How am I to hook up the wiring so that I get a black and white wire connected to my new fan (it does not have a connection for the red wire), while still having constant power from Cable A (source) to Cable B (outlet), and allowing for Switch 2 to control the power to Cable C/D?

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My Assumption

  • Leave all Whites connected (A, B, and C)
  • Cable C Red to Cable B Red
  • Cable A Black and Cable B Black to Switch 2 Port B
  • Cable C Black to Switch 2 Port A
  • Cable D Black and Cable D Red to Fan Black
  • Cable D White to Fan White

Best Answer

  • Splice all grounds. Pigtail a ground to the fan-control smart switch.
  • Splice all whites
  • Splice black A, black B, red B, and a pigtail.
  • "LINE" side of your fan-control smart switch to the pigtail.
  • "LOAD" side of your fan-control smart switch to Black C.
  • Cap Red C. Do not cut it off! You must cap it and you might want it later.
  • Cap Red D. Ditto.
  • Black and white D to fan.
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