There are two types of light switches, says Donnelly: a single-pole light switch, which has two wires, and a three-way light switch ... the new switch. Wind one wall wire on each screw in a ...

And few electrical projects are as simple and safe as replacing an old light ... the wire until it releases from the switch. Once you’ve disconnected all the wires, bend them out of the way ...

Strip the ends of your wires clean to about ¾ on an inch and attach the black wire that goes to the light switch and ... use the same one. Splice the grounds in the same way, making sure that ...

You can add a second light switch anywhere in your house without wiring a new three-way switch thanks to smart ... plate for your main switch if the one you’re replacing is a more traditional ...