Quote:
Originally Posted by Bugsinrugs
He has three bays and wants a switch by each roll up door.
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If you hardwire more than 2 switches, you use 4 way switches in the middle of the run. 3 ways on the feed end and the light end. See diagram below.
You can add as many 4 ways as you want to the middle of that run. they swap the traveller lines. Make sure you buy 4 way switches, not double pole switches........