I'm using power lines at home and trying to avoid using WiFi as much as possible. And many powerline adapters to ethernet include a plug. Moreover, many suppliers of powerlines also offer smart switches in their catalog. However, I don't find any combination of smart plug using powerlines instead of WiFi. Can you help me with that?

I already explored websites of TP-Link, Sonoff, and others. But I hope I'm missing the one that offers that.

  • 1
    IIRC the older X10 protocol communicated over the power wires. Not sure it’s still a thing (pretty lousy experience with that back in the day). KNX supports multiple media including powerline but I believe devices are on the pricier side. Never used it myself.
    – jcaron
    Feb 28 at 21:51
  • I'm using HomePlug AV protocol en.wikipedia.org/wiki/HomePlug#HomePlug_AV. The connection is faster than WiFi, at least in my home.
    – Emili
    Feb 29 at 9:30

1 Answer 1


I only know of (and have used) X10 before. Eventually I threw them out and replaced them with Z-Wave devices.

They work on powerlines. The issues I had were

  • It didn't work across 3-phase system (when I realised this, I bought a 3-phase coupler)
  • Maximum distance was 30m (back then). This was not communicated to me and was a deal breaker for me.
  • The system was too visible for my wife's liking. (Z-Wave or Zigbee devices can be hidden).

Otherwise it worked fine.

Here is a plug on the X10 site

enter image description here

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