The ground wires will be connected to each other and attached to the grounding screw on the switch. The white wires will be connected to each other but not to the switch itself.

An Electrician Explains How To Wire A Switched Half Hot
Light switch 2 black wires 1 white. When i pulled out the existing switch i noticed i have 2 black wires and a white wire connected to the old switch. This connection is typically secured by a plastic wire nut. The hot wire in a 120 volt residential ac circuit usually is coated with black insulation while the return or neutral wire is white. Black means hot white signifies neutral and green indicates ground. Remove the wire nuts from the black and white wires connecting the ballast to the electrical circuit. The ground is screwed into the box so i understand that.
The easiest and safest way is to use a multimeter to test for current. Item location is in us address wifi touch light blackwhite switch 123gang smart wall glass smart panel switch specification. In most cases two black wires will be attached to the switchs two terminal screws. Its essential that you determine which black wire is hot before proceeding. However if you need to rewire a light switch or a plug socket you may occasionally come across two black wires. Neutral and live wire work temp.
A single pole single throw switch such as a light switch. 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 by kasa smart 45 out of 5 stars 6732 ratings. 110v 240v ac 5060hz rated power. Clip all of the wires from the magnetic ballast within two inches of the body of the ballast. The reason for 2 of each is that this is a daisy chain or even a ring main. White black rated voltage.
Android and ios power supply. 2 light brass and 1 dark brass named common. This is an old standard and no longer used there as far i know might be current though in other countries. 123 gang touch wi fi switch material. Flame resistant abs item color. I tried to figure out the path of power but i wasnt getting the readings i was expecting.
If you are in the usa neutral is white and live is black. Us standard os supported. The old switch had 3 screws on it.