Stop walking across a dark room to turn on the light. Install a 3-way switch and control lights from two locations.

Next, refer to the switch-wiring photo you took earlier to connect the existing wires to the new switch. Here’s how a single-pole switch is typically wired: The electrical box usually has two ...

Knowing how to wire a light switch is critical if you are going to tackle the job yourself. Here we show you how to wire up a ...