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I'm planning on installing a smart dimmer switch but I'm not sure of the best way to connect the neutral wire. The outlet has 3 neutral wires bundled in a push in wire connector. What's the correct way to use neutral wire in this case?

Should I pigtail a new wire into the existing push-in connector or replace it with a wire nut?

Wiring Image

  • Is there a fourth hole on the push-in connector? Also, what make and model of smart dimmer are you planning to install? – ThreePhaseEel Jul 20 '17 at 1:53
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    Twist out the wires, throw the push connector in the trash, and get a wire nut. – Harper - Reinstate Monica Jul 20 '17 at 2:59
  • I think there is a fourth hole but I’m not sure about push connectors in general. I’ve always used a wire nut. I’m planning on buying the Leviton smart dimmer. – Rachid Jul 21 '17 at 6:46
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    @Harper -- since the connector has a hole spare, there's no need to throw it out (if it was full, I'd agree with replacing it with something that can handle more wires) – ThreePhaseEel Jul 21 '17 at 11:33
  • @ThreePhaseEel Push connectors usually have a narrow range of wire size and strandedness which they will permit. Smart switches often use 16AWG wire or even smaller. – Harper - Reinstate Monica Jul 21 '17 at 13:28
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That type of connector has a fourth hole. I'd use it.

enter image description here


If it didn't, I'd twist out the wires and replace the connector with one of these lever operated connectors:

enter image description here

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  • Provided that it's listed for the size of wire he is adding (and strandedness). – Harper - Reinstate Monica Jul 21 '17 at 13:25
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    @Harper. Yes, good point. The one I show is rated pretty much the same as the yellow wire-nut and orange push-in connectors shown already in use in the OP's pic. UL listed for up to 12 AWG solid, stranded or flexible. – RedGrittyBrick Jul 21 '17 at 20:35

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