If you are using minimum 20amp branch circuits in commercial, how are you effectively protecting a 15 amp receptacle? I am a Canadian electrician, so maybe you are using 15/20 amp rated receptacles in the States. That being said, common specs for commercial construction calls for minimum 12 gauge but that is usually needed anyways for derating purposes in conduit.
jay8, Off the subject a bit, but, I believe you are allowed to use 15a recepts in 20a residential kitchen general recepts as long as it is not an individual 20a circuit for one outlet. I have seen it done, I'm I correct on this?
The Golden Rule - "The man with the gold makes the rule"
