UL announces draft requirements for UL 1203, Standard for Explosion-Proof and Dust-Ignition-
Proof Electrical Equipment for Use in Hazardous (Classified) Locations, for Certification of
Associated Product Standards.
UL 877 BULLETINS-2005 history
2011UL 877 BULLETIN-2011 UL Standard for Safety Circuit Breakers and Circuit-Breaker Enclosures for Use in Hazardous (Classified) Locations
1970UL 877-2009 UL Standard for Safety Circuit Breakers and Circuit-Breaker Enclosures for Use in Hazardous (Classified) Locations
2005UL 877 BULLETINS-2005 Circuit Breakers and Circuit-Breaker Enclosures for Use in Hazardous (Classified) Locations
2005UL 877 BULLETIN-2005 UL Standard for Safety Gaseous Hydrogen Generation Appliances and Fuel Cell Power Units and Fuel Storage Containers for Portable Devices
2002UL 877 BULLETINS-2002 Circuit Breakers and Circuit-Breaker Enclosures for Use in Hazardous (Classified) Locations /
2002UL 877 BULLETIN-2002 UL Standard for Safety Gaseous Hydrogen Generation Appliances and Fuel Cell Power Units and Fuel Storage Containers for Portable Devices
1993UL 877-1993 UL Standard for Safety Circuit Breakers and Circuit-Breaker Enclosures for Use in Hazardous (Classified) Locations (Fourth Edition; Reprint with Revisions Through and Including November 18@ 1999)