Go to the main electrical panel and flip off the circuit breaker that’s feeding power to the light switch. (Or, unscrew the fuse if your home has a fuse box.) ...

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

Here's how to swap outdated three-way light switches for something much better.

Installing a wireless light switch is a simple upgrade that you can accomplish in an hour or less. You can control lights from as far as 100 feet away without running any wires through the walls.

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.