W Wizard Member Location New Orleans Oct 29, 2010 #1 Can you use table 310.15(B)(6) to size feeder/service conductors for multifamily dwelling under 400 amps ?
Can you use table 310.15(B)(6) to size feeder/service conductors for multifamily dwelling under 400 amps ?
charlie b Moderator Staff member Location Lockport, IL Occupation Semi-Retired Electrical Engineer Oct 29, 2010 #2 It applies to individual dwelling units, even individual units within a multi-family building. It does not apply to the main service to a building, unless that building is a single-family dwelling.
It applies to individual dwelling units, even individual units within a multi-family building. It does not apply to the main service to a building, unless that building is a single-family dwelling.
Dennis Alwon Moderator Staff member Location Chapel Hill, NC Occupation Retired Electrical Contractor Oct 29, 2010 #3 I agree with Charlie. In this case, yes to the feeder that carries the entire load of the dwelling but no to the service conductors.
I agree with Charlie. In this case, yes to the feeder that carries the entire load of the dwelling but no to the service conductors.