A switch box with no neutral loop will usually only have three wires see image below. Instead of the light having switched line and neutral it now needs permanent line and neutral which permanently powers the smart light.
How Smart Wall Switch Works Firewire With Neutral Vs Firewire No Neutral
Smart light switch no neutral uk. Yagusmart tuya zigbee smart switchno neutral wire requiredworking with tuya zigbee hubapp remote controlvoice control1 gang. You should be good to go with any smart switch. Tuya wifi smart push button wall light switch eu and uk no neutral with 1 way or multi control association compatible with smart lifetuya app remote control alexa and google home 123 gang by moes main features. You can also have an electrician rewire the switch and light fixture which is potentially more expensive. Yagusmart zigbee smart wall light switch no neutral wire required works with zigbee hub compatible with alexa and google home ifttt app remote control timing function voice control 1 gang 43 out of 5 stars 5 1899. Lighting help with first smart light switch ezex c20 palmykung palmykung december 26 2019 639am.
If you open your switch box and you see two white wires joined with a wire nut not connected to the switch you can be fairly sure your switch has a neutral loop. Can be used 1 way or for multi control association. 1single live wire design with no neutral wire. If you want to use smart switches and dont have a neutral wire in your switch box you can hire an electrician to run a neutral wire between the light fixture and the switch. The smart switch and the smart light are now both permanently powered and they talk to each other wirelessly.