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

Before you test light switch, try replacing the bulb handyman repair wall light switch at apartment. worker using voltage electric tester pen to check power switch. electrician service concept.

Below, Donnelly tells AD how to wire a light switch with this simple step-by-step process for a single-pole light switch without zapping yourself along the way.