I have 2500kva xfmr. at 12.47-480v with a secondary OCPD of 3000a/3p with 1#4/0 gounding electrode conductor connectec to "xo" and 8 sets of 4#500kcmil copper conductors & 1#4/0 gnd., each in 4" conduit feeding 3000amp service entrance equiptment.
My question is are not the 8 sets of 4#500 papallel feeders ground condutors feeding 3000amp SWBD. at that point sized based on the rating or setting of the OCPD thus requiring 400kcmil conductors in each conduit.
Thank you
Dan Craven
My question is are not the 8 sets of 4#500 papallel feeders ground condutors feeding 3000amp SWBD. at that point sized based on the rating or setting of the OCPD thus requiring 400kcmil conductors in each conduit.
Thank you
Dan Craven