in mike holt book NECexam preparation 2005 page 320 service neutral conductor size example where service conductor parralleled four conductors per phase [120/240] and the the service conductors are 250 kcmil should not the neutral be i/0 instead of 2/0
and one more thing please when allowiing service conductors in an enclosure with feeders do not we have same risk of bypassing feeder overcurrent in case of fault
and one more thing please when allowiing service conductors in an enclosure with feeders do not we have same risk of bypassing feeder overcurrent in case of fault