Wow, I did not know that Allis Chalmers made breakers! I thought they just made tractors.
I am coming at this conversation from an electrical inspector's point of view. I do what I can to enforce the NEC, but some codes just do not make very good sense to me. Before the 2008 NEC 250.32(B) would...
Thanks for the info.
I sort of know these things already. Some days I wonder if I am cut out to be an inspector. I hate giving people bad news.
So, if the fault current turns out to be 20K, an engineer gave his blessing on it, and they are using series listed breakers, it is probably an OK job?
This is my first posting here. I work as an electrical inspector.
NEC 110. 24 requires service equipment for other than dwelling units to be marked with the maximum available fault current. In my state, we consider apartment buildings with more than two apartments to be an "other than dwelling...
