thanks to you all for the replies 1:the meter base was located about60' from the panels (renovation,service was on the side of slab so to get to the basement had to run feeders through the 1st floor playroom used 4/0 ser)
2:the 2" pvc @ bottom of panel was feeding a 50A/120-240V sub-panel for the barn only had 4 #8 THHW-2
3: yes i did all SMC (structured media wireing)very tough job.
