UL 521

Heat Detectors for Fire Protective Signaling Systems
standard by Underwriters Laboratories, 02/19/1999

UL 61131-2

Standard for Programmable Controllers – Part 2: Equipment Requirements and Tests
standard by Underwriters Laboratories, 06/05/2008

UL 60730-2-6

Automatic Electrical Controls – Part 2-6: Particular Requirements for Automatic Electrical Pressure Sensing Controls Including Mechanical Requirements
standard by Underwriters Laboratories, 12/22/2016

UL 489B

Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures for Use with Photovoltaic (PV) Systems
standard by Underwriters Laboratories, 03/07/2016

UL 499

Electric Heating Appliances
standard by Underwriters Laboratories, 11/07/2014

UL 25B

Meters for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
standard by Underwriters Laboratories, 07/30/2014

UL 20

General-Use Snap Switches
standard by Underwriters Laboratories, 07/20/2018

UL 13

Power-Limited Circuit Cables
standard by Underwriters Laboratories, 03/18/2015

UL 2420

Belowground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings
standard by Underwriters Laboratories, 07/30/2009

UL Subject 1204

Outline of Investigation for Parts Cleaners (Outline, 10/23/2017)
standard by Underwriters Laboratories, 10/23/2017