The line voltage goes to the light first then to the switch no neutral both circuits work just fine when you only have a standard mechanical switch.
Automated light switch no neutral.
However you run into a problem when you have a smart switch.
Installation as with most other smart switches requires a neutral wire but it s fairly straightforward.
Why is no neutral a problem for smart switches.
In the diagrams below the dotted rectangle represents a smart switch.
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.
Call in an electrician and get him to run a neutral wire running from the light fixture to the switch.
You can set automated schedules control groups of switches and set it to away mode to simulate occupancy.
120 volt 7 day programmable indoor light switch timer with automatic daylight savings.
Smart light switch gosund 2 4ghz wifi light switch works with alexa google assistant remote control voice control and schedule neutral wire required single pole no hub required 4 4 out of 5 stars 2 942.
6 4 amp 7 day in wall programmable indoor digital timer switch with no neutral wire white.
Yes there are a few read very very very few switches that don t require a neutral but those will limit you to incandescent only.
120 volt 7 day programmable indoor motor and light switch timer.
23 10 77 oz 18 25 18 25.
You could also ask the electrician to rewire both the switch and light fixture but this is more complex and therefore costlier.
Like our runner up the tp link smart wi fi light switch hs200 needs a neutral wire.
Lutron maestro motion sensor switch no neutral required 250 watts single pole ms ops2 wh white.
4 5 out of 5 stars 3 117.
The switch includes an ambient light sensor so it can be set not to come on in daylight.
The most common requirement of any hardwired automated light switch is a neutral wire.
Get it as soon as tue oct 6.
1 run a neutral wire.