Three-Way Switches

By: Dusty Arlia
Published on February 14, 2012
Last Updated on Thursday, July 16, 2015 at 10:27 PM
Total Updates: 6

A three-way switch is a switch used in a three-way circuit. A three-way circuit is comprised of usually two switches and one light. Each three-way switch controls the light. Three-way switches are great for hallways, stairway and large rooms. The actual switch itself has the following four terminals on it:

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