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#103629 - 10/07/02 04:55 AM Loose Locknuts at Short Nipple
Joe Tedesco Offline
Member
Registered: 10/07/00
Posts: 2749
Loc: Boston, Massachusetts USA


I find many of these bad installations during my inpections!

Some locknuts are installed backwards!

What's the problem? This violates a very simple rule .... continuity!
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Joe Tedesco, NEC Consultant
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#103630 - 10/07/02 07:30 AM Re: Loose Locknuts at Short Nipple
HotLine1 Offline


Member
Registered: 04/03/02
Posts: 6776
Loc: Brick, NJ USA
Guess it all goes back to that old saying "pride in workmanship". It seems to becoming a more "hurry-up" world. How about "quality instead of quantity" within reason?
Are/were the lnuts tight on the inside???
A "red sticker" special!
John
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John
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#103631 - 10/07/02 01:23 PM Re: Loose Locknuts at Short Nipple
Joe Tedesco Offline
Member
Registered: 10/07/00
Posts: 2749
Loc: Boston, Massachusetts USA
HotLine1

I did not remove the covers to check, but from the looks of it I would say that they were loose. I'll also bet that the required bushings according to 300.4(F) were missing.
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Joe Tedesco, NEC Consultant
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#103632 - 11/12/02 05:53 PM Re: Loose Locknuts at Short Nipple
andylea Offline
Member
Registered: 11/12/02
Posts: 29
Loc: ny
is that rust on the nipple???? when was it installed???
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#103633 - 11/16/02 10:16 AM Re: Loose Locknuts at Short Nipple
mj Offline
Member
Registered: 06/10/02
Posts: 186
Loc: meriidian, ms
what about bonding lock nuts
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#103634 - 11/19/02 11:43 AM Re: Loose Locknuts at Short Nipple
Joe Tedesco Offline
Member
Registered: 10/07/00
Posts: 2749
Loc: Boston, Massachusetts USA
The rust on the nipple has probably been there about 10 years, and bonding locknuts will not help to correct the problem here.

The locknuts are loose and were never tightened.
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Joe Tedesco, NEC Consultant
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