By: Dusty Arlia
Published on December 7, 2011
Last Updated on Wednesday, July 15, 2015 at 6:45 PM
Total Updates: 6
On a three-way switch, the darker colored terminal (often marked COM) to which the wire supplying power, or leading to a fixture, is connected.
Stanley Complete Wiring. Des Moines, Iowa:
Meredith Books, 2008. Print.