what is smart light switch without neutral wire

How does a smart light switch work with a neutral wire?

Power runs to the switch box through a neutral wire, and it is then passed on to the lighting fixture. Most smart switches work in this configuration because the neutral wire maintains an available power source for the switch at all times, even when the lights are off.

What do you need to install a smart light switch?

Use a butter knife or flat-head screwdriver to pry the plate off of the wall, as it can stick in place (often because of paint). Then, unscrew the screws on the actual light switch and gently pull the switch forward. Look at the wiring setup. Most smart light switches require a ground wire, an “in” wire, an “out” wire, and a neutral wire.

Are there any lights that work with no neutral wire?

Just like Lutron, make sure you get the dimmer switch since the on/off switch will NOT work with no neutral. NOTE: These do require an extra part ( Aeotec Bypass) if you use them with no neutral and the load is less than 25W. Most single LED bulbs are under this threshold.

What to do if there is no neutral wire at the switch?

If you don’t have a neutral at the switch, then you will have a neutral at the load (light fixture). Therefore, you install the Shelly 1 relay behind the light fixture where there is a neutral. You keep your existing switch (es).

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