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#120920 - 05/22/05 02:29 PM A "BOOM" in their Futures!  
Admin  Offline

Administrator
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Joined: Oct 2000
Posts: 3,439
NY, USA
Quote
Here are two pics showing hazardous-location (classified area) wiring done by someone who wasn't clear on the concept.

The first is of the entrance to a pre-fab, "engineered" booth for painting trucks. While the lights are technically outside the booth, and thus outside the 'zone', one light, as well as the controls are within 3 ft of the door, and thus within the zone (516.3B4)

I am so reassured to know that someone is out there, manufacturing these booths by the hundreds!
[Linked Image]

[Linked Image]
Quote
The second pic shows the disconnect for a propane distributor's pump. Fittings used reveal that EMT was run after the seal, then transitioned near the ground to PVC.

It is permitted to use PVC for the underground portion- but the transition is to be made two feet down, after the bend. EMT after the seal is, of course, not very "explosion- proof" at all

What bothers me most about these pics is that in both cases- one a manufacturer, and the other a utility-type company- there had to have been numerous "professionals" involved who should have known better.

- renosteinke
[Linked Image]


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#120921 - 05/22/05 03:09 PM Re: A "BOOM" in their Futures!  
Alan Belson  Offline
Member
Joined: Mar 2005
Posts: 1,803
Mayenne N. France
From the sprayed writing on the metal wallwork, was this thing built upside down?
Alan


Wood work but can't!

#120922 - 05/22/05 04:37 PM Re: A "BOOM" in their Futures!  
renosteinke  Offline
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Joined: Jan 2005
Posts: 5,316
Blue Collar Country
No, Alan- but sharp eye! The booth was torn down and transported when the customer moved to a new site!



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