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UL 120404 PDF
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Pressurized Enclosures
| Published by | Publication Date | Number of Pages |
| UL | 07/25/2012 | 0 |
UL 120404 – Pressurized Enclosures
Please note:All interim revisions for this edition available at time of your purchase will be included.
Pressurized Enclosures
UL 120404
1 Scope
1.1 This standard applies to equipment made suitable for use in hazardous (classified) locations by pressurizing.
1.2 This standard applies both to equipment with and without an internal release of a flammable gas or vapor.
1.3 This standard does not apply to occupied portions of buildings such as ventilated or pressurized control rooms.
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