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.
Smart light switch no neutral capacitor.
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However you run into a problem when you have a smart switch.
Wifi light switch smart switch touch light switch glass panel 1 gang 1 way compatible with alexa google home and ifttt app remote control timing function no hub required neutral wire needed 3 8 out of 5 stars 71.
Lighting help with first smart light switch ezex c20 palmykung palmykung december 26 2019 6 39am.
Why is no neutral a problem for smart switches.
Installation process is quite easy and it requires no neutral wire so basically take ou.
In the diagrams below the dotted rectangle represents a smart switch.
The door light on has always bugged me as it lit up the whole backyard at night.
I initially wanted to use my extra 9th relay for the fluorescent lights in the door but i ripped all that out and put in high density 5000k led strips driven by an rgbgenie single channel z wave controller.
Smart switch smart light switch work with alexa and google home freecube wifi light switch easy in wall installation no hub required needs neutral wire single pole 2 4ghz 4 2 out of 5 stars 272.
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.
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.