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.
For those of us using led fluorescent or some other energy efficient bulbs under 20w a neutral is required.
23 10 77 oz 18 25 18 25.
However you run into a problem when you have a smart switch.
6 4 amp 7 day in wall programmable indoor digital timer switch with no neutral wire white.
120 volt 7 day programmable indoor light switch timer with automatic daylight savings.
1 16 of 610 results for automatic light switch amazon s choice for automatic light switch.
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.
Like our runner up the tp link smart wi fi light switch hs200 needs a neutral wire.
Get it as soon as tue oct 6.
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.
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.
Lutron maestro motion sensor switch no neutral required 250 watts single pole ms ops2 wh white.
You could also ask the electrician to rewire both the switch and light fixture but this is more complex and therefore costlier.
4 5 out of 5 stars 3 117.
The most common requirement of any hardwired automated light switch is a neutral wire.
120 volt 7 day programmable indoor motor and light switch timer.
The switch includes an ambient light sensor so it can be set not to come on in daylight.
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.
You can set automated schedules control groups of switches and set it to away mode to simulate occupancy.