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X-Proof Seals
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Poster electure Offline
Posted 11/20/08 07:22 PM
Description
With EMT blink

This is a commercial repair garage < 18" above floor level
Dimensions 1200x900
Size 157.85 KB
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#182197 - 11/20/08 08:26 PM Re: X-Proof Seals [Re: electure]
NJwirenut Offline
Member
Registered: 09/15/01
Posts: 806
Loc: Bergen County, NJ
Sealing fittings on EMT?
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#182202 - 11/20/08 11:13 PM Re: X-Proof Seals [Re: NJwirenut]
NORCAL Offline
Member
Registered: 09/25/02
Posts: 865
The set screw fitting also add a nice touch. EMT in a haz. loc.? Only thing EMT has value for in a haz. loc. is as a back scratcher.
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#182261 - 11/22/08 12:50 PM Re: X-Proof Seals [Re: NORCAL]
renosteinke Offline
Cat Servant
Member
Registered: 01/22/05
Posts: 5316
Loc: Blue Collar Country
I posted a similar pic, from a local propane distributor. Seal to EMT to PVC at ground level. This appears to be a far more common practice than I had thought.

Having learned about this stuff in the oil / chemical refining industry .... one wonders! The code speaks of 'qualified professional' .... and we see this thing that flies in the face of all logic.

I do wish someone would write a "How to" book about classified locations .... covering not just wiring practices, but defining the "zone."
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#182265 - 11/22/08 02:45 PM Re: X-Proof Seals [Re: renosteinke]
NORCAL Offline
Member
Registered: 09/25/02
Posts: 865
I have a question for everyone. How many times have you come across sealing fittings installed without having the seal(s)poured?
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#182276 - 11/22/08 07:02 PM Re: X-Proof Seals [Re: NORCAL]
renosteinke Offline
Cat Servant
Member
Registered: 01/22/05
Posts: 5316
Loc: Blue Collar Country
More than I care to think about.

Also common is an improper seal ... where the mortar has leaked past the packing, and solidified somewhere down the pipe.
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#182280 - 11/23/08 02:35 AM Re: X-Proof Seals [Re: renosteinke]
Trumpy Offline


Member
Registered: 07/05/02
Posts: 8211
Loc: SI,New Zealand
Was the plumber there before or after the pipework was installed?
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#182325 - 11/23/08 06:12 PM Re: X-Proof Seals [Re: NORCAL]
frenchelectrican Offline
Member
Registered: 02/06/03
Posts: 939
Loc: Wi/ Paris France { France for ...
Originally Posted By NORCAL
I have a question for everyone. How many times have you come across sealing fittings installed without having the seal(s)poured?


Rollie .,

This part more than i care to see it almost widespread when they do very poor job seal it off.

A very few area I ran into some are pretty smart to add a EXP union fitting but the cost will knock your feet off on this one.

Merci,Marc
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Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)

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#182326 - 11/23/08 06:15 PM Re: X-Proof Seals [Re: frenchelectrican]
frenchelectrican Offline
Member
Registered: 02/06/03
Posts: 939
Loc: Wi/ Paris France { France for ...
John { RENO }

I am pretty sure the NEC code book did mention about zone but don't have many picture how it should be defined at all.

I do understand the wording but really it should have few more photo to clearify the example what zone defiations descrbing it.

Merci,Marc

P.S. I think a photo section will really help alot for our members to understand more clear on the situation


Edited by frenchelectrican (11/23/08 06:17 PM)
Edit Reason: add quick P.S.
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#182350 - 11/24/08 07:45 AM Re: X-Proof Seals [Re: frenchelectrican]
electure Offline


Member
Registered: 12/24/00
Posts: 4259
Loc: Fullerton, CA USA
The classification is Class1 Div2. It is directly under a panelboard.

See NEC 511

The plumber ran the copper water line after the electrical installation.
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