TDS PDF

Enclosures for Electrical Equipment, Non-Environmental Considerations (Edition 13, published October 16, 2015; revisions through October 15, 2020). Original standard UL 50 2020-10 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 50 2024-02

Enclosures for Electrical Equipment, Non-Environmental Considerations (Edition 14, February 29, 2024). Original standard UL 50 2024-02 in PDF full version. Additional info + preview on request

Document status: Active

Specialty Transformers (Edition 14, published June 2, 2017; revisions through November 29, 2017; ANSI reaffirmation 2017). Original standard UL 506 2017-11 in PDF full version. Additional info + preview on request

Document status: Active

Specialty Transformers (Edition 14, published June 2, 2017; revisions through January 28, 2022; ANSI reaffirmation 2022). Original standard UL 506 2022-01 in PDF full version. Additional info + preview on request

Document status: Active

Specialty Transformers (Edition 14, published June 2, 2017; revisions through April 28, 2026; ANSI reaffirmation 2026). Original standard UL 506 2026-04 in PDF full version. Additional info + preview on request

Document status: Active

Electric Fans (Edition 10, published November 9, 2017; revisions through August 14, 2026). Original standard UL 507 2026-08 in PDF full version. Additional info + preview on request

Document status: Active