The safest distance between you, your Pi, and mains power is 100 metres. ![:D]( "Very Happy")
WiFi and other wireless connections are the safest. The distance you have to cover is the next decision. The Pi 4 and 5 WiFi works across the width of my house but not the length. You could connect your Pi to a WiFi mesh network to cover longer distances.
Look up Z-wave for wireless connection to mains switches. ZWLR is a special long range version of Z-wave for farms and building to building.
Then look at products like the following.
https://z-wave.me/products/razberry/
WiFi and other wireless connections are the safest. The distance you have to cover is the next decision. The Pi 4 and 5 WiFi works across the width of my house but not the length. You could connect your Pi to a WiFi mesh network to cover longer distances.
Look up Z-wave for wireless connection to mains switches. ZWLR is a special long range version of Z-wave for farms and building to building.
Then look at products like the following.
https://z-wave.me/products/razberry/
Statistics: Posted by peterlite — Sat Jan 31, 2026 11:13 pm