Regular And Emergency Circuits In Same Pipe??

 
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Old 03-19-2009, 11:20 PM   #1
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Regular And Emergency Circuits In Same Pipe??


can you run emergency and regular circuits in the same pipe?? this is for a commercial building.

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Old 03-20-2009, 12:54 AM   #2
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Re: Regular And Emergency Circuits In Same Pipe??


I don't know, can you?

700.9 (B)
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Old 03-20-2009, 08:14 AM   #3
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Re: Regular And Emergency Circuits In Same Pipe??


I'd suggest leaving the "pipe" to the plumbers, and using "conduit" instead....
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Old 03-21-2009, 02:57 PM   #4
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Re: Regular And Emergency Circuits In Same Pipe??


No mercy, huh?
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Old 03-21-2009, 03:06 PM   #5
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Re: Regular And Emergency Circuits In Same Pipe??


Quote:
Originally Posted by kiko View Post
No mercy, huh?
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Old 03-21-2009, 05:09 PM   #6
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Re: Regular And Emergency Circuits In Same Pipe??


To anwser your question.
If the emergency lighting circuit is low voltage, usually 24VDC ... no you can't
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Old 03-22-2009, 02:52 PM   #7
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Re: Regular And Emergency Circuits In Same Pipe??


Lets start by clarifying: is it an Emergency System NEC article 700 , a Legally Required Standby System NEC Article 701, or an Optional Standby System NEC Article 702.

Art. 700 Says NO -see 700.9(C)
Art. 701 Says YES - see art 701.10
Art. 702 Says YES - see Art. 702.9

It all depends on the "Emergency" system you have.

Oh yeah use the term conduit.
Poop goes in pipes,electrical conductors go in conduit
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Old 04-02-2009, 03:39 PM   #8
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Re: Regular And Emergency Circuits In Same Pipe??


i was installing an optional standby system one time and the inspector told me the transfer switch had to transfer within 10 sec. i told him it was a manual switch and explained the difference between legally required and optional standby systems
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