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#116686 - 04/17/04 06:52 AM Is there a better way??  
electure  Offline


Member
Joined: Dec 2000
Posts: 4,259
Fullerton, CA USA
This is work done by one of our crews. Their work is generally good, but there's an obvious violation. Can you do better than the local inspectors and spot it? (not the workspace violation)


[Linked Image]

[Linked Image]

The guys have never been called on it, so stopping the "habit" won't happen until there's another option (Screaming and yelling would get me nowhere, I'd like to offer something positive).

Does anyone have any ideas? How would you make it better and Code compliant??
...S



[This message has been edited by electure (edited 04-17-2004).]


Tools for Electricians:

#116687 - 04/17/04 08:34 AM Re: Is there a better way??  
txsparky  Offline
Member
Joined: May 2001
Posts: 552
Magnolia,.Texas U.S.A.
Electure,
Are you concerned with gutter fill and derating?


Donnie

#116688 - 04/17/04 10:01 AM Re: Is there a better way??  
winnie  Offline
Member
Joined: Sep 2003
Posts: 649
boston, ma
How close are those transformers to the wall? Do they have a vent opening on the 'back'?

-Jon


#116689 - 04/17/04 10:40 AM Re: Is there a better way??  
DougW  Offline
Member
Joined: Jun 2003
Posts: 1,143
North Chicago, IL
What's with the apparantly unsupported pipe...was it placed there as a spacer, and then forgotten?

pic1 - behind the xformers

pic2 - a little more obvious... just behind the xformer - 8 blocks up from the c-strut.


#116690 - 04/17/04 11:39 AM Re: Is there a better way??  
winnie  Offline
Member
Joined: Sep 2003
Posts: 649
boston, ma
In the transformers, do the conductors go under the core to the lugs, over the core to the lugs, or are the lugs facing the wall?

-Jon


#116691 - 04/17/04 12:33 PM Re: Is there a better way??  
sparked  Offline
Member
Joined: Sep 2003
Posts: 114
Raleigh
Just a wild guess here.. but are the top breakers in the bigger panels too high up from the floor?


#116692 - 04/17/04 12:40 PM Re: Is there a better way??  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Scott you got me stumped.

I thought of labels but I think I see some.

I thought of the transformers in the working space but they are too high for that.

I thought of protection from physical damage but that is a subjective article and if the AHJ does not think these are subject to damage then it is OK. [Linked Image]

So what is it? [Linked Image]

Pretty nice looking parallel pipe work. [Linked Image]

Bob


Bob Badger
Construction & Maintenance Electrician
Massachusetts

#116693 - 04/17/04 12:47 PM Re: Is there a better way??  
walrus  Offline
Member
Joined: Jul 2002
Posts: 680
Bangor Me. USA
Trough above the panels??

Those 2 seal offs going into that 1 panel must be some expensive.

Is it a car shop, looks like a transmission jack??


#116694 - 04/17/04 03:54 PM Re: Is there a better way??  
Nick  Offline
Member
Joined: Aug 2001
Posts: 599
Riverside, CA
I must agree with TXSparky on the gutter fill. Thats all I can really see.


#116695 - 04/17/04 04:08 PM Re: Is there a better way??  
electure  Offline


Member
Joined: Dec 2000
Posts: 4,259
Fullerton, CA USA
Wow!
Yes, it's the derating in the wireway. Everything else is ok. (The C/B's aren't above 6'7", the sealoffs are all poured, xfrmrs have plenty of clearance, lugs are on front bottom. I don't see any unsupported pipe) [Linked Image]
The wires in that wireway should be derated to 35%. Most of those panelboards are 42 circuits, and the number of conductors in a cross-section greatly exceeds 40. 310-15(b)(2)(a).


Can you think of another way that this could be done and have it come out clean and still comply??


(And yes, it's an auto service garage)...S


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