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

Three-way switches are common at staircases, hallways or large rooms with multiple doorways. Most of the problems with these switches result from a miswired switch.

Many switch replacements are done by do-it-yourselfers, although the wiring of some, such as three-way switches that operate a light from a couple of locations, can be a bit complicated.

You can add a second light switch anywhere in your house without wiring a new three-way switch thanks to smart home technology.

That way, you’ll be sure to reconnect the wires correctly to the new switch. If you can’t kill the electricity, the switch box might be connected to a cable from a different circuit.

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 ...

In the diagram on the link they are using a three conductor cable after the first three way switch. Black, Red, and White with a separate ground.

Belkin explains that the Wemo 3-Way Smart Light Switch can control nearly anything that a traditional light switch can. Here's everything to know.

Excellent design, trouble-free installation, and elimination of the need for a matching switch gives Wemo another winner in the smart home space.

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.