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#14318 - 09/19/02 08:32 AM SINGLE CONDUCTOR  
EVAD7  Offline
Member
Joined: Mar 2002
Posts: 37
MN
WHERE DO YOU FIND A CODE REFERENCE TO A SINGLE CONDUCTOR IN A RACEWAY. CAN YOU RUN A NEUTRAL FROM A 240V 3 PH IN A PVC CONDUIT?


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#14319 - 09/19/02 08:55 AM Re: SINGLE CONDUCTOR  
George Corron  Offline
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Joined: May 2001
Posts: 717
Lorton, Va USA
Single conductors in a raceway are referenced in Chap. 9, Table 1. You will find it is very rarely legal, usually referencing a Grounding Electrode Conductor.

300-3(b) All conductors of a circuit, including the neutral SHALL be contained in the same raceway, trench, etc..

Without a very lengthy explanation, if the neutral is not in close proximity with the phase conductors, your fault levels become unmanageable. They must be very close to each other, unless DC, for the system to function through all it's parameters.



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