Three Way Light Switch Not Working

Three Way Light Switch Not Working. Switches are spring loaded to minimize arching and prolong their life. I noticed the bridge I took a screw driver and pressed that metal piece against the switch more and it started working.

Three-Way Switch Doesn't Work Right | The Home Depot Community (Eunice Silva)

Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. One three way switch is by itself and. Three-way wall switches control a light fixture from two locations in a room.

Controlling a light with three or more switches.

Three-way switches are common at staircases, hallways or large rooms with multiple doorways.

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While standard single-pole switches have two screw terminals on one side of the switch, plus a third green grounding screw terminal connected to the metal strap, three-way switches have three screw terminals plus a ground. The switch does work as a switch, but does not illuminate. Understanding how the circuit works satisfies curiosity.