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#44874 11/14/04 06:26 PM
Joined: Nov 2002
Posts: 244
W
wewire2 Offline OP
Member
An inspector told me I could not reduce the size of conduit in a run except at the termination. The contractor ran a 2" PVC underground. At grade level I installed a Female Adaptor and a 2"x1" reducing bushing.
I then ran 1" sealtight to a small panel in a piece of equipment. The circuit was 3 #8,
1#10 Grd. The total length of the entire run was only about 12'. He said "It's somewhere in the code book". Can someone save me a hassle and let me know where to find that one?
Thanks

#44875 11/14/04 06:30 PM
Joined: Jan 2003
Posts: 4,391
I
Moderator
The inspector can not find it because that rule does not exist.

While most times it is not a great idea it is not a code violation.


Bob Badger
Construction & Maintenance Electrician
Massachusetts
#44876 11/14/04 09:53 PM
Joined: Nov 2002
Posts: 244
W
wewire2 Offline OP
Member
I agree. I have never run across that rule either. By the way, that was the same inspector I mentioned in another thread I started a while back. "Inspectors who are
#+%*&".

#44877 11/15/04 09:57 AM
Joined: Aug 2001
Posts: 329
S
Member
Try my classic response: "Thanks for pointing that out. When you get back to the office would you call me and tell me the code section so I can read up on it. I'd hate to get caught in the same mistake twice."

It usually works; plus he's at the other end of the phone now and it's easier for him to say he'll let it go when he's not face to face.

#44878 11/16/04 05:24 PM
Joined: Jun 2003
Posts: 1,143
D
Member
As others have said - he's talking out of his errr, pants...

As long as your within limits for conductor fill (which you are) there's nothing in th Code that prohibits it.

#44879 11/16/04 09:28 PM
Joined: May 2002
Posts: 1,716
R
Member
Tell the inspector he/she is looking from the wrong end, and that in reallity, you increased the conduit size and did not reduce it. [Linked Image]

I know, and I apologize. [Linked Image] [Linked Image]

Roger

#44880 11/19/04 02:53 AM
Joined: Nov 2002
Posts: 244
W
wewire2 Offline OP
Member
I just got back from an out of town job
(3 days). I got called on one thing. No plastic bushings on 3" PVC Terminal adaptors.
The contractor oversized the underground conduit from plan specs from 2" to 3". The pull was 2 #1 and 1#8 Grd. So as you can can imagine there are three dinkey little wires coming out of a huge conduit, not even touching the edges. The inspector made me tear everything apart to install bushings. I believe in bell ends for feeding but do you always use bushings on PVC and is this a fair call?

#44881 11/19/04 03:38 AM
Joined: May 2003
Posts: 2,876
E
e57 Offline
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I rarely use PVC/RNC, and dare I say don't often use bushings on it either, because often the only times I use it, it will have Bell End, and a steel conduit on the other. But yep, required.

352.46 Bushings.
Where a conduit enters a box, fitting, or other enclosure, a bushing or adapter shall be provided to protect the wire from abrasion unless the box, fitting, or enclosure design provides equivalent protection.


Mark Heller
"Well - I oughta....." -Jackie Gleason

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