The line voltage goes to the light first then to the switch no neutral.
Smart light switch uk no neutral wire.
Adjustable back led light u k.
Some dimmable smart switches can be fitted with no neutral wire.
No neutral wire needed no hub direct swap for uk switches.
It still has pieces of the original knob and tube electrical wiring nailed to the floor joists in the basement.
4 smart switches that work with no neutral wire.
And in the case that your home does not have neutral wires hope is not lost.
Most of the available smart switches for no neutral installs only work with incandescent or halogen lamps.
A smart switch can simply tie into the white neutral wires to complete the circuit and get a source of power to keep the radios in the switch working at all times.
For two way switching you need to replace both switches.
This reduces the flow of power from your light to your switch to a trickle.
My house was built in 1909.
2 use smart switches that don t need a neutral wire.
Option 1 run a neutral wire if you want to use smart switches and don t have a neutral wire in your switch box you can hire an electrician to run a neutral wire between the light.
Standards full wi fi control set scenes ifttt non dimmable.
Yagusmart wifi smart wall light switch no neutral wire required no hub required compatible with alexa and google home app remote control timing function voice control 1 gang 4 2 out of 5 stars 200 15 89 15.
Classic design one way two way configurable.
Thankfully the electrical has been updated since then.
Fits standard uk 25mm back box.
Although you are limited to only a handful of smart switches that work in a 2 wire circuit and most are dimming devices.