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What's wrong here??
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Poster HotLine1 Offline
Posted 01/26/17 09:45 PM
Description
A few boo boo's in this 'ready for cut-in card' to POCO.

Name a few??
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#218094 - 01/27/17 01:59 AM Re: What's wrong here?? [Re: HotLine1]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9038
Loc: Estero,Fl,usa
I would start with the lack of bond bushings and the unbalanced phase conductors in the nipples.
I have seen guys who would call the metallic nipples there a parallel neutral too but I have never called that one.
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#218147 - 01/30/17 10:31 PM Re: What's wrong here?? [Re: HotLine1]
electure Offline


Member
Registered: 12/24/00
Posts: 4259
Loc: Fullerton, CA USA

The sheet metal is likely to be hot enough to cook an egg, with the neutrals in a separate conduit from the hots.

(Are those grounding locknuts on those nipples?)
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#218149 - 01/30/17 11:22 PM Re: What's wrong here?? [Re: HotLine1]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9038
Loc: Estero,Fl,usa
I suggested cooking a pop tart between the cabinets in another thread with this picture but we are on the same page.
I suppose they may have cut a slot between the holes to break the flux lines but I would want to see it.
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Greg Fretwell
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#218155 - 02/01/17 07:08 PM Re: What's wrong here?? [Re: HotLine1]
annemarie1 Offline
Member
Registered: 03/16/15
Posts: 51
Loc: england
Is it also that the neutrals seem to be bolted directly to the metal box thats a big no no in the UK but don't know about US/CANADA practice
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#218156 - 02/02/17 12:52 AM Re: What's wrong here?? [Re: HotLine1]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9038
Loc: Estero,Fl,usa
This is a CT (metering)cabinet on the line side of the service disconnect so there is no real difference between neutral and ground.
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Greg Fretwell
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#218159 - 02/02/17 01:32 PM Re: What's wrong here?? [Re: HotLine1]
HotLine1 Offline


Member
Registered: 04/03/02
Posts: 6776
Loc: Brick, NJ USA
The real tight bend radius on 'c' (yellow) line side, stressed & bent the CT. POCO inspector was not a happy camper about that, after he recovered from a long fit of laughter.

After two (2) attempts, it finally passed inspection.

_________________________
John
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#218160 - 02/02/17 01:35 PM Re: What's wrong here?? [Re: HotLine1]
HotLine1 Offline


Member
Registered: 04/03/02
Posts: 6776
Loc: Brick, NJ USA
annemarie1:

BTW, the neutrals within the CT can be 'as pictured, IF the install is hot sequence. (CT before Main OCP). IF cold sequence (Main before CT) the neutral must be isolated from ground. (Floating). This is an occasional 'Fail' for some that are not well versed in CT installs.

(Sequence varies by POCOs)



Edited by HotLine1 (02/02/17 01:36 PM)
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#218164 - 02/02/17 11:28 PM Re: What's wrong here?? [Re: HotLine1]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9038
Loc: Estero,Fl,usa
I have never seen a CT on the load side of the service disconnect because they usually want to seal the CT can and everything on the line side. The service disconnect, MBJ etc has to remain accessible. That may just be a local interpretation of "accessible" tho.
_________________________
Greg Fretwell
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#218166 - 02/03/17 07:58 AM Re: What's wrong here?? [Re: HotLine1]
ghost307 Offline
Member
Registered: 05/09/05
Posts: 899
Loc: Chicago Illinois USA
Many Utilities put their CTs on the line side (to keep people from stealing power), but it can increase the risk to their own people...others have different priorities.
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Ghost307
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