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DC Question #100711 12/13/06 04:54 PM
Joined: Mar 2003
Posts: 849
Y
Yoopersup Offline OP
Member
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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Re: DC Question #100712 12/13/06 10:20 PM
Joined: Jul 2004
Posts: 9,569
G
gfretwell Online Content
Member
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
Re: DC Question #100713 12/14/06 05:53 PM
Joined: Jan 2003
Posts: 4,391
I
iwire Offline
Moderator
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
Re: DC Question #100714 12/14/06 07:24 PM
Joined: Nov 2005
Posts: 823
J
JoeTestingEngr Offline
Member
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

Re: DC Question #100715 12/14/06 08:30 PM
Joined: Mar 2003
Posts: 849
Y
Yoopersup Offline OP
Member
Joe
Your right Plus and Minus But working with AC 99% of the time I used the wrong term.


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