UL 498A PDF Download
$379.00Current Taps and Adapters
standard by Underwriters Laboratories, 01/23/2008
Underwriters Laboratories
Underwriters Laboratories Inc. is chartered to establish, maintain, and operate laboratories for the examination and testing of devices, systems and materials to determine their relation to hazards to life and property, and to ascertain, define and publish standards, classifications and specification for materials, devices, products, equipment, constructions, methods, and systems affecting such hazards.
Current Taps and Adapters
standard by Underwriters Laboratories, 01/23/2008
Flatiron and Appliance Plugs
standard by Underwriters Laboratories, 04/28/2017
Attachment Plugs, Cord Connectors and Receptacles – Enclosure Types for Environmental Protection
standard by Underwriters Laboratories, 07/29/2020
Marine Shore Power Inlets
standard by Underwriters Laboratories, 07/29/2020
Surface Metal Raceways and Fittings
standard by Underwriters Laboratories, 05/24/2016
Enclosures for Electrical Equipment, Non-Environmental Considerations
standard by Underwriters Laboratories, 09/04/2007
Enclosures for Electrical Equipment, Non-Environmental Considerations
standard by Underwriters Laboratories, 10/16/2015
Specialty Transformers
standard by Underwriters Laboratories, 06/02/2017
Industrial Control Equipment
standard by Underwriters Laboratories, 03/30/2018
Low Voltage Transformers – Part 1: General Requirements
standard by Underwriters Laboratories, 04/17/2006
Low Voltage Transformers – Part 2: General Purpose Transformers
standard by Underwriters Laboratories, 08/16/2021
Low Voltage Transformers – Part 3: Class 2 and Class 3 Transformers
standard by Underwriters Laboratories, 04/17/2006
Industrial Control Panels
standard by Underwriters Laboratories, 04/24/2018
Enclosures for Electrical Equipment
standard by Underwriters Laboratories, 09/04/2007
Enclosures for Electrical Equipment, Environmental Considerations
standard by Underwriters Laboratories, 10/15/2020
Power-Operated Pumps for Anhydrous Ammonia and LP-Gas
standard by Underwriters Laboratories, 01/01/1995
Standard for Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene
standard by Underwriters Laboratories, 05/31/2013
Metallic Outlet Boxes
standard by Underwriters Laboratories, 02/01/2013
Conduit, Tubing and Cable Fittings
standard by Underwriters Laboratories, 07/13/2012
Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers
standard by Underwriters Laboratories, 04/08/2014