
UL 51
Standard for Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene
standard by Underwriters Laboratories, 05/31/2013
Standard for Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene
standard by Underwriters Laboratories, 05/31/2013
Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts
standard by Underwriters Laboratories, 02/16/2007
Fire Exposure Testing of Intermediate Bulk Containers for Flammable and Combustible Liquids
standard by Underwriters Laboratories, 01/31/2012
Explosive Atmospheres – Part 28: Protection of Equipment and Transmission Systems Using Optical Radiation
standard by Underwriters Laboratories, 09/15/2017
Overcurrent and Overtemperature Protectors for Radio-and Television-Type Appliances
standard by Underwriters Laboratories, 10/29/1999
Play Pipes for Water Supply Testing in Fire-Protection Service
standard by Underwriters Laboratories, 02/03/2005