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

Next, cut a hole to accommodate the switch box you’re planning to add, and then cut a one- to two-inch tall slot a few inches wide below the outlet to allow access to fish the wire through.

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.

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 ...