TDS PDF

Industrial Control Equipment (Edition 19, October 28, 2024). Original standard UL 508 2024-10 in PDF full version. Additional info + preview on request

Document status: Active

Industrial Control Panels (Edition 3, published April 24, 2018; revisions through June 26, 2025). Original standard UL 508A 2025-06 in PDF full version. Additional info + preview on request

Document status: Active

Power Conversion Equipment (Edition 4, published May 16, 2016; revisions through June 11, 2018). Original standard UL 508C 2018-06 in PDF full version. Additional info + preview on request

Document status: Replaced by

Enclosures for Electrical Equipment, Environmental Considerations (Edition 3, published October 15, 2020; revisions through October 17, 2025). Original standard UL 50E 2025-10 in PDF full version. Additional info + preview on request

Document status: Active

Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene (Edition 11, May 15, 2023). Original standard UL 51 2023-05 in PDF full version. Additional info + preview on request

Document status: Active

Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape (Edition 10, published April 17, 2020; revisions through February 28, 2024). Original standard UL 510 2024-02 in PDF full version. Additional info + preview on request

Document status: Active