Q: There has been a lot of discussion about wiring receptacles with pigtails instead of making the connections at the receptacle itself. But what about switches, especially three-way switches? Is there any advantage (or requirement) to wiring those with pigtails?
A: David Herres, a licensed electrician in Clarksville, N.H., responds: It is correct that the National Electrical Code, which has jurisdiction in such matters, states that receptacles are to be wired using separate pigtails tapped from the branch circuit that feeds downstream devices. The purpose of this requirement is to ensure that ground...
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