You should be good to go with any smart switch. Learn your existing wall switch and wiring setup.
How To Wire A Smart Light Switch With No Neutral Wire
Smart light switch wiring. Yes there are a few read very very very few switches that dont require a neutral but those will limit you to incandescent only. If you want to use smart switches and dont have a neutral wire in your switch box you can hire an electrician to run a neutral wire between the light fixture and the switch. Ensure the power is. If you open your switch box and you see two white wires joined with a wire nut not connected to the switch you can be fairly sure your switch has a neutral loop. Option 1 run a neutral wire. Kasa smart light switch by tp link single pole needs neutral wire 24ghz wifi light switch works with alexa and google assistant ul certified 1 pack hs200 white 45 out of 5 stars 6799 limited time deal.
In order to design a smart switch to retrofit the existing 2 wire installation its either method 1. You can also have an electrician rewire the switch and light fixture which is potentially more expensive. Putting a rechargeable battery inside the switch to supply the power to the mcu or method 2. Before you purchase a smart light switch youll need to. A switch box with no neutral loop will usually only have three wires see image below. Kasa smart light switch by tp link single pole needs neutral wire get this product httpsamznto2of4bhw easy guided install.
Thinking out of the box to make mcu work with the 2 wire wiring system. But you should know these four things before installing smart. Once you familiarize yourself with your wiring setup choose a smart light switch. For those of us using led fluorescent or some other energy efficient bulbs under 20w a neutral is required. Neutral wire is required standard wall plate size. 5 things to consider before installing smart light switches.
Remove your old light switch. Smart lighting is a great place to start in building your smart home. The most common requirement of any hardwired automated light switch is a neutral wire. Choose a smart light switch.