C cods New member Mar 28, 2005 #1 24 hot #12thhn with 8 #12thhn neutrals pulled in a 2"aluminum conduit from a 3 phase panel to feed lighting and receptacles do these conductors need to be derated as shown in 310-15 if so does the neutrals count in the total or just the hots
24 hot #12thhn with 8 #12thhn neutrals pulled in a 2"aluminum conduit from a 3 phase panel to feed lighting and receptacles do these conductors need to be derated as shown in 310-15 if so does the neutrals count in the total or just the hots
roger Moderator Staff member Location Fl Occupation Retired Electrician Mar 28, 2005 #2 Re: 310-15 Yes, you will have to derate these conductors. As far as the neutrals, are the loads linear or non-linear loads? Read 310.15(B)(4)(b) Roger [ March 28, 2005, 10:57 AM: Message edited by: roger ]
Re: 310-15 Yes, you will have to derate these conductors. As far as the neutrals, are the loads linear or non-linear loads? Read 310.15(B)(4)(b) Roger [ March 28, 2005, 10:57 AM: Message edited by: roger ]
