I have a 1000 amp service to build next week. 3-4" conduits from a pad mounted xfmr to the main panel. (208/120Y) 85% of the load is phase to phase (resistance heating).
I will use 3-500kcm in each conduit...my question...can I use..say...a 3/0 for the neutral in each conduit?
Code ref. ?
I will use 3-500kcm in each conduit...my question...can I use..say...a 3/0 for the neutral in each conduit?
Code ref. ?