How To Install A Three Way Switch. A three-way switch is built and wired a little differently than a conventional single-pole light switch. The difference between a three-way switch and a single-pole is that all the single-pole is really doing is breaking the connection between the two wires.
Despite installing a three-way switch you will notice that there are still neutral and hot wires. Three-way switches are tricky to install, especially for DIYers who are replacing a bad switch. Three-way switches often control one light fixture at both ends of a hallway.
Strip all three wires with wire strippers.
Follow Dominick as he shows you step by step how to get it right.
When it comes to installing switches, a three-way switch is more involved than the traditional single switch, but it's nothing you can't handle with a little time and patience. There are several ways of getting power to the newly installed outlets: you can tap into an existing outlet circuit, you can run a new circuit from the service panel, or you can tap into a light switch circuit. All those switches, terminals and wires can confuse experienced electricians, let alone novice DIYers.