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

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.

Three-way switches control lights from two locations. There is a hot wire running from the control panel to the first switch in the sequence, a continuation of the hot wire running from the second ...

To make the wiring work flawlessly, so your husband becomes a lover of these switches, you install the same special three-wire cable between all the three- and four-way switches in the circuit.

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.

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.

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.