ECN Forum Forums Code Related Discussion NEC & other Code issues Plaster rings and 4 wire 30A outlet

jfw11:

I'm not sure if this is exactly what is meant here*, but relative to 4" square boxes with a metal plate on the front, the number of wires supposedly makes no difference with regard to the size of the opening. Here's what Steel City lists in their literature:



However, I had the same thing happen--the old plate was not compatible with the 4-wire receptacle on a 30AMP dryer circuit. Wheeeee!
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*I am not an electrician, so as to the "plaster rings", "switch rings", etc., I don't know if I'm thinking of the same thing that is mentioned in the posts above. I thought a "surface outlet" was this:


jfw11: It's not that you are not clear, it's that there are so many names for things, between "generic" names and trade names that are picked up.

[This message has been edited by ThinkGood (edited 08-14-2003).]