2 Ganged 3-Way Switches


Old 04-03-07, 11:17 AM
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Question 2 Ganged 3-Way Switches

I recently replaced 2 ganged 3-way switches in my hallway at the top of the stairs. Of course I did not mark everything properly so now I have one working light and one not working. Can anyone direct me to an electrical diagram of how these should be wired or should I try to describe the wires in the box? Thanks.
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Old 04-03-07, 11:40 AM
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Well, you most likely mixed up the common and the travelers. The single wire from a cable goes to the common switch terminal, and the two wires from a cable go to the travelers.

However, if all three of the wires come from the same cable, then just go by trial and error. It will only take you three tries max.
Old 04-03-07, 12:44 PM
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If you only change the one switch of the pair then it will only take two more tries to get it correct. Just try a different wire on the common. The common is the black screw or the one marked common.
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