UL, LLC is a global safety certification company headquartered in Northbrook, Illinois. It maintains offices in 46 countries. Established in 1894 as the Underwriters’ Electrical Bureau (a bureau of the National Board of Fire Underwriters), it was known throughout the 20th century as Underwriters Laboratories and participated in the safety analysis of many of that century’s new technologies.
UL is one of several companies approved to perform safety testing by the U.S. federal agency Occupational Safety and Health Administration (OSHA). OSHA maintains a list of approved testing laboratories, which are known as Nationally Recognized Testing Laboratories.
Standards for Electrical and Electronic Products
UL 50, Enclosures for Electrical Equipment
UL 50E, Enclosures for Electrical Equipment, Environmental Considerations
UL 153, Portable Electric Lamps
UL 197, Commercial Electrical Cooking Appliances
UL 244B, Field Installed and/or Field Connected Appliance Controls
UL 410, Slip Resistance of Floor Surface Materials
UL 796, Printed-Wiring Boards
UL 916, Energy Management Equipment
UL 962, Household and Commercial Furnishings
UL 962A, Furniture Power Distribution Units
UL 962B, Outline for Merchandise Display and Rack Mounted Power Distribution Units
UL 970, Retail Fixtures and Merchandising Displays
UL 1026, Electric Household Cooking and Food Serving Appliances
UL 1492, Audio/Video Products and Accessories
UL 1598, Luminaires
UL 1642, Lithium Batteries
UL 1995, Heating and Cooling Equipment
UL 2267 Standard for Safety – Fuel Cell Power Systems for Installation in Industrial Electric Trucks
UL 6500, Audio/Video and Musical Instrument Apparatuses for Household, Commercial and Similar General Uses
UL 60065, Audio, Video and Similar Electronic Apparatuses: Safety Requirements
UL 60335-1, Household and Similar Electrical Appliances, Part 1: General Requirements
UL 60335-2-24, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Motor Compressors
UL 60335-2-3, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Electric Irons
UL 60335-2-34, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Motor Compressors
UL 60335-2-8, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Shavers, Hair Clippers and Similar Appliances
UL 60950, Information Technology Equipment
UL 60950-1, Information Technology Equipment – Safety, Part 1: General Requirements
UL 60950-21, Information Technology Equipment – Safety, Part 21: Remote Power Feeding
UL 60950-22, Information Technology Equipment – Safety, Part 22: Equipment to be Installed Outdoors
UL 60950-23, Information Technology Equipment – Safety, Part 23: Large Data Storage Equipment
Content excerpts from Wikipedia, https://en.wikipedia.org/wiki/UL_(safety_organization)