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Gutter Sizing #90632
12/06/04 01:02 PM
12/06/04 01:02 PM
M
mustangelectric  Offline OP
Member
Joined: Feb 2004
Posts: 494
Bentonville, AR
Hi,
I have 18 - 1" conduits that need to go to a gutter.

314.28(A)(1)covers this right? Only #4 and larger though. Anything smaller and it is based on condcutors right?

I guess a gutter that has no terms in it is a pull box?

Are there specific sections that refer to a "Gutter" or is this the same as "Pull Box"?

Thanks for any replies.

-regrads

MUSTANG


[This message has been edited by mustangelectric (edited 12-06-2004).]


Electricity has no respect for ignorance!
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Re: Gutter Sizing #90633
12/06/04 05:28 PM
12/06/04 05:28 PM
Tom  Offline
Member
Joined: Jan 2001
Posts: 1,044
Shinnston, WV USA
See Article 366 and Article 376.

You are allowed a 20% fill and up to 30 current carrying conductors. If you exceed 30 conductors, you have to do the derating per table 310.15(B)(2)(a)

Essentially, they are the same thing, they just differ in how they are used.

Tom

[This message has been edited by Tom (edited 12-06-2004).]

[This message has been edited by Tom (edited 12-06-2004).]


Few things are harder to put up with than the annoyance of a good example.
Re: Gutter Sizing #90634
12/07/04 03:24 PM
12/07/04 03:24 PM
M
mustangelectric  Offline OP
Member
Joined: Feb 2004
Posts: 494
Bentonville, AR
Hi,
312.6(A) cover gutters too right?

Thanks for the help.

-regards

Mustang


Electricity has no respect for ignorance!
Re: Gutter Sizing #90635
12/07/04 05:35 PM
12/07/04 05:35 PM
R
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
Yes Mustang, 312.6 applies too. There was a change in the 2005 to address this more clearly, stating that the "one wire per terminal" column is to be used, even if you have conductors in parrallel.


Ryan Jackson,
Salt Lake City

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