Or flip a switch at the bottom of the stairs, and then again at the top. The next person, coming from either direction, must be able to turn the light on again. That's where 3-way switches come in.

This guide will take you through the steps of replacing those aging three-way ... of each switch. The screws also bore into holes on the electrical box behind them. To access the wiring, gently ...

I was reading up on a project and came across this link. It mentions that if a light fixture is between the switch and the panel it is common to switch the white and black wires to the right of ...

There are two types of light switches, says Donnelly: a single-pole light switch, which has two wires, and a three-way light switch ... come into contact with the wiring, which is a high fire ...