ECN Forum Forums General Topics of the Trade General Discussion Area What changed, the wire or the breaker?

master66,
I don't see any changes here. Any conductor or set of conductors with an ampacity exceeding 350 amps can be used with the 400 amp service, over 500 amps for the 600 amp service and over 700 amps for the 800 amp serivce is permitted by Exception #2 to 230.90(A).
Don

[This message has been edited by resqcapt19 (edited 06-09-2002).]