Chances are you have a ground the contractor just cut it off after terminating it on the screw. Didnt i just say never do that.
How To Install A Smart Home Light Switch A Diy Electrical Guide
Smart switch no ground. A few smart switches in the us tout themselves as not needing neutral however some of those do need safety ground because what theyre really doing is returning current via ground instead of the neutral theyd normally use. They got a waiver from underwriters laboratories to do that thing. The purpose of a ground wire on a light switch. Buy a smart switch that works without a neutral. 15 coupon applied at checkout save 15 with coupon. A white wire or group of white wires mean theres a strong chance the box contains neutrals.
For a normal light switch the ground is a safety feature not necessary for operation. Heres why you normally want a ground and what your options are for a light switch without ground. Will a light switch work with no ground wire. At this point you need to make sure the wire is neutral. Of its there then just add a new extension to the switch. You can leave that screw unconnected if you dont have a ground wire or if you have the wire but no screw on the switch you can ground the switch another way.
Aqara smart wall switch no neutral single rocker requires aqara hub zigbee switch remote control and set timer for home automation compatible with alexa apple homekit google assistant. 44 out of 5 stars 162. Check at the back of your box for a bare copper wire behind a screw. When someone decides to use the wall switch to shut the light off the power to the bulb is cut which means it will stop being a smart bulb until you turn the switch back on. Few people ground regular switches and only newer smart switches require a ground. Pull out the existing switch so you can examine the wires.
There are a couple smart switches that work without a neutral. Take out the screws from the switch.