Hi everyone and thank you for your valuable time spent on this site
I have absorbed a lot of knowledge from you.
I would like to know a little more about 400/320 amp service. I do understand that 320 is the continuous rating or 80% of 400 amp. But as far as feeder wire if I go in the table 310.15(B)(6) would I be looking under 350 amps or 400 amps or would that be related to my calculated load. For the panels I would use 2 - 200 amp MB panels and use 2/0 cu wire from the metar can (320 type) into each panel then I would not be absolutely sure about size of the GEC. Would I run #2 or 1/0 to the one panel and then from that panel to the other panel size #4 according to 250.66. I would really appreciate your help. I talked to some people about this but nobody seem to be absolutelly confident about it.