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#100711 - 12/13/06 05:54 PM DC Question  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 822
Michigan
I know you can't run AC difference phases in different pipes but what about 125 volt DC.
Hot =one metal pipe Ground = another metal pipe from metal box to metal box in EMT coming off a large batterey bank.


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#100712 - 12/13/06 11:20 PM Re: DC Question  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,099
Estero,Fl,usa
I don't think it would get hot but I bet you could stick your Kliens on the box and the magnetism would hold them there.


Greg Fretwell

#100713 - 12/14/06 06:53 PM Re: DC Question  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
If the circuit is covered by the NEC 300.3(B) applies and requires the circuit conductors to be run together unless one of the exceptions fits.


Bob Badger
Construction & Maintenance Electrician
Massachusetts

#100714 - 12/14/06 08:24 PM Re: DC Question  
JoeTestingEngr  Offline
Member
Joined: Nov 2005
Posts: 785
Chicago, Il.
Are you sure that you are dealing with HOT and GROUND? All of our strings are plus and minus and floating with respect to ground. Some of our apps use ground detectors while we just check others during monthly battery checks.
Joe


#100715 - 12/14/06 09:30 PM Re: DC Question  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 822
Michigan
Joe
Your right Plus and Minus But working with AC 99% of the time I used the wrong term.



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