I was going to install a Kasa smart switch, which requires a neutral. When I opened up this box, which contains 2 switches that control 2 separate lights outside (porch and walkway), I noticed black and white wires going into both switches. Is this a sign of a switch loop for both outside lights? Does this mean that the white wire is not neutral but hot? Thanks for any help you can give a newbie!

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1 Answer 1


That's exactly what it means, no neutral at the location. There are smart switches that don't require neutrals so you might want to check them out.

  • Thanks, Jack. Was hoping to avoid the dimmer and hub versions of smart switches, but looks like that's cheaper than adding neutrals...
    – Charles
    Commented Sep 21, 2020 at 16:46

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