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I have a dimmer + switch that is connected to an outlet on the other side of the room. That outlet is where I'd like to plug in my TV, and using that outlet specifically makes a buzzing sound come out of the TV. So, I'd like to wire it to be always hot and replace the faceplate with a dummy plate.

Picture is attached.

My understanding is that I can take out the two black wires that go into the switch, use a wire nut to connect them, and I'm good. What do I do with the ground (green) wire? The dummy plate won't have anything metal to connect it to.

outlet

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Simply nut off the green pigtail by itself

Since there's nothing for the ground pigtail to connect to once the dimmer is replaced by a blank faceplate, simply cap it off with a wirenut.

That dimmer should not have been there to begin with

Dimming a standard wall receptacle violates NEC 404.14(E):

(E) Dimmer Switches. General-use dimmer switches shall be used only to control permanently installed incandescent luminaires unless listed for the control of other loads and installed accordingly.

and 406.15:

406.15 Dimmer-Controlled Receptacles. A receptacle supplying lighting loads shall not be connected to a dimmer unless the plug/receptacle combination is a nonstandard configuration type that is specifically listed and identified for each such unique combination.

Your TV is taking a dim view of being dimmed

The dimmer is also what is responsible for the buzzing sound coming out of your TV due to the mains waveform being modified by the dimmer, even at its maximum setting.

  • Thanks. Took care of this this weekend, and everything went perfectly. Using a multimeter, the max voltage coming out of the outlet (with dimmer attached) was 95-100v, and after was 120v like the other outlets in the room. No more buzzing. – poisedsquirrel Aug 13 '18 at 15:04

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