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Pneumatic bulkhead fittings in a name 4 enclosure,

Pneumatic bulkhead fittings in a name 4 enclosure,

Pneumatic bulkhead fittings in a name 4 enclosure,

(OP)
We have an application with a nema 4 enclosure with pnuematic bulkhead fittings.  The issue is how can you keep the nema 4 rating?
There was a post here  back in July 27,210 post #244-277758.
With the same question, and one relply from "DRWieg". Does anyone have any further information on this subject?
 One possible sollution are nema 4 rated bulkhead fittings, but as "sdengr" did I could not find anybody that make such an animal.
DRWeig mentions "UL 50 just says that stuff going through holes shall be "appropriate" to maintain environmental rating."
 Anythng further on that UL 50 comment?
Any help apprciated.

RE: Pneumatic bulkhead fittings in a name 4 enclosure,

Being the the average plumbing fitting is inherently designed to be able to contain and exclude the passage of liquids and /or gasses, I don't see the problem. More importantly though, I have never had an inspector question it, UL or AHJ.

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