S sleepy Senior Member Mar 29, 2004 #1 WE ARE RENOVATING A OFFICE BUILDING INTO A BANK, IT HAS 600A AT 208V/120 3PHASE. WE NEED TO UPGRADE TO AT LEAST 900AMP. DOES THE NEC ALLOW A SECOND SERVICE STILL AT 208V/120, BUT FOR EMERGENCY POWER. 600AMPS.
WE ARE RENOVATING A OFFICE BUILDING INTO A BANK, IT HAS 600A AT 208V/120 3PHASE. WE NEED TO UPGRADE TO AT LEAST 900AMP. DOES THE NEC ALLOW A SECOND SERVICE STILL AT 208V/120, BUT FOR EMERGENCY POWER. 600AMPS.
bob Senior Member Location Alabama Mar 29, 2004 #2 Re: SECOND SERVICE/ON EMERGENCY Look at 230.2(b)2 and 230.40 Exc 2. Also check with your local authority. [ March 29, 2004, 04:01 PM: Message edited by: bob ]
Re: SECOND SERVICE/ON EMERGENCY Look at 230.2(b)2 and 230.40 Exc 2. Also check with your local authority. [ March 29, 2004, 04:01 PM: Message edited by: bob ]
