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UL 844

UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations

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Organization: UL
Publication Date: 29 June 2012
Status: inactive
Page Count: 110
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 25°C (minus 13°F);

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

c) A nominal barometric pressure of one atmosphere.

Document History

June 29, 2012
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
June 29, 2012
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
June 29, 2012
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
UL 844
June 29, 2012
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
June 29, 2012
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
June 29, 2012
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
844
January 11, 2006
UL Standard for Safety for Luminaires for Use in Hazardous (Classified) Locations
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,...
January 11, 2006
UL Standard for Safety Luminaires for Use in Hazardous (Classified) Locations
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,...
January 11, 2006
UL Standard for Safety for Luminaires for Use in Hazardous (Classified) Locations
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,...
January 11, 2006
UL Standard for Safety for Luminaires for Use in Hazardous (Classified) Locations
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,...
844
August 30, 1995
UL Standard for Safety; Electric Lighting Fixtures for Use in Hazardous (Classified) Locations
These requirements cover electric lighting fixtures 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,...
August 30, 1995
UL Standard for Safety for Electric Lighting Fixtures for Use in Hazardous (Classified) Locations
These requirements cover electric lighting fixtures 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,...
844
August 30, 1995
UL Standard for Safety; Electric Lighting Fixtures for Use in Hazardous (Classified) Locations
A description is not available for this item.
844
August 30, 1995
UL Standard for Safety Electric Lighting Fixtures for Use in Hazardous (Classified) Locations
These requirements cover electric lighting fixtures 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,...

References

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