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#92613 03/29/05 02:37 PM
Joined: Mar 2003
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310.4 I take it applys to ALL voltages . 2400-4160-7200 ect. Just confirming.

2017 / 2014 NEC & Related Books and Study Guides
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Bob Offline
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Read 300.2A For limitations

Joined: Mar 2003
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Read BUT in 310.4 no mention of applying or Not applying Thus the Question.Shielding ect dealth with in same area SO . To me parellel conductors are parelle conductors no matter what Voltage.

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Bob Offline
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Chapter 3 Wiring Methods and Material
covers 310.4. Therefore 300.2A says that this chapter covers only 600 volt cable.

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Bob
If thats True where in the N.E.C. does it deal with parellel conductors over 600 volts .???? There are Several references to over 600 volts in Art. 310. & 300.3 B(1) referes you to 392.8d Parallel conductors in tray, which is deals with over 600 volts in that section(Tray).

Joined: Aug 2001
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Take a look at 300.1(A)

"Scope.All Wiring Installations. This article covers wiring methods for all wiring installations unless modified by other articles."
Since the over 600V sections do not modify the rules for paralleling I would say that they apply.

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Bob Offline
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Nick
It looks like 300.1A got motified by 300.2A.
Yoopersup
As far as I can tell the NEC has very little to say about installation of over 600 volt systems.

[This message has been edited by Bob (edited 03-30-2005).]


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