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I agree the 3 way on the steps is really a design issue but I would want the EC to try to explain this design choice, with a straight face.

That would be the real test. [Linked Image]

I also would want to know how many repeat customers this same EC will get.

I don't want anyone to think I am suggesting 3-ways are not the way to go, only that the NEC does not require them.

Bob Badger
Construction & Maintenance Electrician
Massachusetts