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  • UL 120404

UL 120404

Pressurized Enclosures

Underwriters Laboratories, 07/25/2012

Publisher: UL

File Format: PDF

$251.00$502.00


Published:25/07/2012

Note:This product is unavailable in Ukraine, Russia, Belarus

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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