J JesseETG Member Location Bakersfield California Occupation Electrician Jul 5, 2023 #1 Does anyone know what NEC table must be used for a 3 phase service riser for a main meter switchboard. Its a commercial setting. Also, are there any adjustments?
Does anyone know what NEC table must be used for a 3 phase service riser for a main meter switchboard. Its a commercial setting. Also, are there any adjustments?
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Jul 5, 2023 #2 Is there a single service disconnect?
J JesseETG Member Location Bakersfield California Occupation Electrician Jul 5, 2023 #3 Yes (1) 400 amp main breaker disconnect.
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Jul 5, 2023 #4 Tables 310.16 or 310.15(B)(16) depending on code cycle.