Summary of Topics s879_9_sum.htmlSummary of Topics
This revision of ANSI/UL 879 dated April 22, 2022 includes the following changes in requirements:
– Components for use in LED signs and changing message signs; Table 1.1, 1.3.41.1, Section 2.14.9, 4.18.1.1 – 4.18.1.3, Table 4.4.0, 4.18.2.1 – 4.18.2.3, 4.18.3.1, 4.18.4.1, 4.18.5.1 – 4.18.5.6, 4.18.5.8, 4.18.8.1, 4.18.10.1, 4.18.11.4, Section 4.23, Appendix A
– Reference to generic RTI in UL 746B; 2.1.4.3, Table 2.5, Table 3.9
– Editorial revisions; 2.16.2, 3.2.2.1.3.2, Appendix B