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#100711 - 12/13/06 01:54 PM DC Question
Yoopersup Offline
Member

Registered: 03/04/03
Posts: 826
Loc: 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 07:20 PM Re: DC Question
gfretwell Offline

Member

Registered: 07/20/04
Posts: 9045
Loc: 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

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#100713 - 12/14/06 02:53 PM Re: DC Question
iwire Offline
Moderator

Registered: 01/05/03
Posts: 4343
Loc: 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

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#100714 - 12/14/06 04:24 PM Re: DC Question
JoeTestingEngr Offline
Member

Registered: 11/04/05
Posts: 786
Loc: 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

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#100715 - 12/14/06 05:30 PM Re: DC Question
Yoopersup Offline
Member

Registered: 03/04/03
Posts: 826
Loc: Michigan
Joe
Your right Plus and Minus But working with AC 99% of the time I used the wrong term.

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