Line this comes from the panel and is your hot wire. This switch can be upgraded to a smart switch using the tp link hs200 wi fi smart switch so long as there are neutral wires in the junction box.

4 Way Switch Tp Link Soho Community
Tp link switch install with only two wires. Estimated on jul. It took several tries including shorting out the circuit and having to re establish the wi fi link several times. Tp link hs220p3 kasa smart wifi light switch 3 pack dimmer by tp link dim lighting from anywhere easy in wall installation single pol only compatible with alexa and google assistant white. Ill take a moment to outline each wire its typical color and its use huge disclaimer your wiring may vary. You can identify a single pole wall switch when you remove it from the junction box. Check other stores closed.
Neutral wire is required standard wall plate size. Estimated by jul 20. Please dont twine two live lines live line and load line and connect them to your socket powerline. If your light can only be switched from a single location its most likely a standardsingle pole switch. All in all it took me about 2 hours. So please find a neutral line in your power socket for connection.
While a standard switch does in fact only have two wires connected to it plus ground things can get a bit more complicated with a smart switch or multi way switches. Easy install no need to understand complex wiring just follow the step by step wiring process in the kasa smart app for a guided installation of your smart light switch. The main reason is not only our hs200 is a switch but also it is a powerline appliance. A quick tap of the switch. How can i identify a standard switch. The box already had a few wires in it and the tp link smart switch is so big that i couldnt get it into the switch box as it was crushing the wires behind it.
There must be 2 wires usually black connected to screw terminals or push connectors on the back of the switch housing. Kasa smart light switch by tp link single pole needs neutral wire get this product httpsamznto2of4bhw easy guided install. Voice control with any alexa google assistant or microsoft cortana you can control any fixture connected to your kasa smart light switch with simple voice commands. Tp link needs to reduce the depth of the unit so that wires can fit in behind it. With the smart wi fi dimmer you can control the ambiance of any space with the push of a button. I had to pull all the wires out and cut them back as far as i dared and force the tp link in.
Connect each of the two black wires from the switch to the available live lines via the wire nut and wrap electrical tape around the wire nuts to make sure the copper conductor.