TDS PDF

Circuit Breakers and Circuit-Breaker Enclosures for Use in Hazardous (Classified) Locations (Edition 4, published June 28, 1993; revisions through December 4, 2009). Original standard UL 877 2009-12 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electric Sign Components (Edition 9, published October 9, 2009; revisions through June 11, 2014; ANSI reaffirmation 2014). Original standard UL 879 2014-06 in PDF full version. Additional info + preview on request

Document status: Active

Electric Sign Components (Edition 9, published October 9, 2009; revisions through July 17, 2019; ANSI reaffirmation 2019). Original standard UL 879 2019-07 in PDF full version. Additional info + preview on request

Document status: Active

Electric Sign Components (Edition 9, published October 9, 2009; revisions through April 22, 2022). Original standard UL 879 2022-04 in PDF full version. Additional info + preview on request

Document status: Active

Electric Sign Components (Edition 9, published October 9, 2009; revisions through September 3, 2025). Original standard UL 879 2025-09 in PDF full version. Additional info + preview on request

Document status: Active

LED Sign and Sign Retrofit Kits (Edition 1, published December 12, 2012; revisions through August 16, 2016). Original standard UL 879A 2016-08 in PDF full version. Additional info + preview on request

Document status: Active