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#122792 01/18/06 12:53 AM
Joined: Oct 2000
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Can't seem to figure out if this is a violation or just really ugly.

Its a 100A subpanel feeding some DC rectifiers in a telecom shelter.

NJ_WVUGrad
[Linked Image]

[Linked Image]

Joined: Jan 2006
Posts: 69
W
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Looks like someone went a little "coupler crazy" Also whats the green cable in the corner "ground)?


[This message has been edited by Wizzie Electric (edited 01-18-2006).]


Thanks.
Joined: Apr 2004
Posts: 349
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Why waste money on perfectly good conduit if you happen to have a bunch of miscellaneous couplings and spare parts laying around?


There are 10 types of people. Those who know binary, and those who don't.
Joined: Jan 2006
Posts: 47
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The green cable on the side is part of the HALO grounding system in side the shelter, It runs out to an external grounding ring.

STuff like this is tough to explain to a client when your telling them that there existing work is poor, unless you can point out a violation they really don't care.

However, when their field tech comes to punch out the site, who gets called out for it.

WOuld this fail for "workmanlike" you think?

Joined: Jul 2002
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Doesn't look like it'll leak. [Linked Image]

Joined: Feb 2002
Posts: 114
E
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Does the NEC apply here?

Joined: Jan 2006
Posts: 47
N
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Yes NEC does apply

or was that sarcasm?

Joined: Jul 2002
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W
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If everything is tight, whats not workman like about it?? Not sure about the length maybe its need a clamp?? Mineralac?

Joined: Jan 2005
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Cat Servant
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A close look at the midle coupling shows what appears to be a flush-cut reducing bushing nder the locknut. That, combined with the exposed threads on the chase nopple to the right, make me suspect that this pipe was installed after the panels were mounted- the various fittings are able to telescope enough to fit between the boxes.

Joined: May 2005
Posts: 178
J
Member
Well, with all those offset nipples, it's almost too many bends in one conduit run!

1) What's holding that coupling to the left panel? A chase nipple on the inside? Is that an accepted practice?

2) That offset nipple on the left doesn't look like it's threaded very far into the reducer bushing. If it was really made up wrench-tight, I'd expect there would be no threads showing.

I don't think I'd count on a lash-up like that as part of the ground path. In fact, I can hardly stand looking at it...

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