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UL 844

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UL 844 Electric Lighting Fixtures for Use in Hazardous (Classified) Locations

standard by Underwriters Laboratories, 06/29/2012

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$313.95

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$897.00

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Full Description

Please note: All interim revisions for this edition available at time of your purchase will be included.

Luminaires for Use in Hazardous (Classified) Locations

Scope

These requirements cover fixed and portable luminaires for installation and use in hazardous (classified) locations, Class I, Divisions 1 and 2, Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; Class II, Division 2, Groups F and G; and Class III, Divisions 1 and 2, in accordance with the National Electrical Code, NFPA 70.

These requirements also cover luminaires for installation and use in Class I, Zones 1 and 2, Groups IIA, IIB, IIB plus Hydrogen, and IIC, and Zone 20, 21 and 22 hazardous (classified) locations in accordance with the National Electrical Code, NFPA 70.

These requirements cover luminaires for use only under the following atmospheric conditions:

a) A minimum ambient temperature of minus 25C (minus 13F);

b) An oxygen concentration not greater than 21 percent by volume; and

c) A nominal barometric pressure of one atmosphere.

Product Details

Edition: 13th Published: 06/29/2012 Number of Pages: 110