TDS PDF

Fire Dampers (Edition 8, February 25, 2026). Original standard UL 555 2026-02 in PDF full version. Additional info + preview on request

Document status: Active

Ceiling Dampers (Edition 5, June 26, 2025). Original standard UL 555C 2025-06 in PDF full version. Additional info + preview on request

Document status: Active

Smoke Dampers (Edition 6, June 26, 2025). Original standard UL 555S 2025-06 in PDF full version. Additional info + preview on request

Document status: Active

Industrial Trucks, Internal Combustion Engine-Powered (Edition 10, published January 10, 2012; revisions through June 1, 2020). Original standard UL 558 2020-06 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 558 2026-08

Industrial Trucks, Internal Combustion Engine-Powered (Edition 10, published January 10, 2012; revisions through October 22, 2021). Original standard UL 558 2021-10 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 558 2026-08

Industrial Trucks, Internal Combustion Engine-Powered (Edition 10, published January 10, 2012; revisions through May 2, 2024). Original standard UL 558 2024-05 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 558 2026-08