Covers equipment for use and installation in Class I, Zones 0, 1, and 2, Gas Groups IIA, IIB, and IIC, hazardous (classified) locations, in accordance with American National Standard National Electrical Code, ANSI/NFPA 70-1999. These requirements also cover Class I, Zone 0, 1, and 2 equipment for use and installation in Class I, Division 2, Gas Groups A, B, C, and D hazardous (classified) locations, in accordance with tAmerican National Standard National Electrical Code
2004UL 2279 BULLETIN-2004 UL Standard for Safety Electrical Equipment for Use in Class 1@ Zone 0@ 1@ and 2 Hazardous (Classified) Locations
2003UL 2279 BULLETINS-2003 UL Standard for Safety Electrical Equipment for Use in Class 1@ Zone 0@ 1@ and 2 Hazardous (Classified) Locations (01/23/2003 (6p); 04/18/2003 (6p))
2002UL 2279 BULLETIN-2002 UL Standard for Safety Electrical Equipment for Use in Class 1@ Zone 0@ 1@ and 2 Hazardous (Classified) Locations
2001UL 2279 BULLETINS-2001 UL Standard for Safety Electrical Equipment for Use in Class 1@ Zone 0@ 1@ and 2 Hazardous (Classified) Locations (09/21/2001 (2p); 02/12/2001 (53p))
2000UL 2279 BULLETIN-2000 UL Standard for Safety Electrical Equipment for Use in Class 1@ Zone 0@ 1@ and 2 Hazardous (Classified) Locations
1996UL 2279-1996 UL Standard for Safety Electrical Equipment for Use in Class I, Zone 0, 1, and 2 Hazardous (Classified) Locations First Edition; Reprint with Revisions Through and Including December 6, 2001