Summary Of Topics
The revisions to ANSI/UL 751 dated December 18, 2024 reflects the latest ANSI affirmation date and includes the following changes in requirements:
– Clarify Requirements for Large Nonmetallic Exterior Surface Materials; Table 74.1
– Addition of UV Requirements with Clarifications to Scope and Barrier Requirements; 1.1 – 1.4, 3.1, 5.2, 5.33A, 9.1, 11.0 – 11.4, 12.5, 12.6, 14.8, 14.9, 19.1.2, 19.1.4, 20.1.1, 20.1.9, 20.3.3, 22.1, 22.3, 22.4, Section 44A, 46.1.8, 47.4, 50.1.6, Table 74.1, Section 76A, 80.2.20, 80.3.5, 81.10, Appendix A
– Alternate Compliance Option to Include UL 62368-1; 3.1, 39.1, and 41.1
– Clarifications to Controls Requirements; 3.1, 5.6A, 5.7, 5.30A, 5.30B, 24.3.3, 24.3.4, 26.10, 26.10A, 26.15, 26.19, 79.1, and Section 79A
– Clarifications to Cabinet and Enclosure Requirements; 12.2, 12.4, 14.2, 14.4, 14.5, 15.1, 15.1A, 15.3, 15.4, Table 15.1, 15.5 – 15.8, 16.1.12, 25.1.11, 25.1.11A, 46.1.7, 46.1.10, 46.3.2, 47.2, 47.7, 47.14, 49.5, 50.1.3, 50.1.4, 56.4, 64.8, 66.4, and SA2.1
– Clarifications to Glass Requirements; 12.7 – 12.10A, 12.12, 12.13, 70.1.1, 70.2.1, 70.2.2, and Section 71
– Clarifying Alternate Compliance Methods; 6.3 – 6.6, 13.3 – 13.5, 14.1, 14.1A, 14.1B, 14.6, 14.7, 17.3.1.4, 17.3.2.6, 20.1.1A, 20.1.2, 20.1.6, 20.2.3, 24.2.1, 24.2.5, 36.2.5, 46.1.9, 49.1, 53.7, 53.8, 57.1, 58.1.7, 59.1, 59.1A, 59.5, Section 69, 73.1.1, 77.5, 77.5A, 77.11, 77.12, 80.2.2, 80.2.4, 80.2.4A – 80.2.4C, 80.2.5, 80.2.19, and 81.1
– Clarifications to Nonmetallic Fastener Requirements; 10.2, 10.3, Table 74.1, 75.1, and 75.2
– Clarifications to Temperature Test Vend Requirements; 58.2.3
– Alternate Compliance Options for Transformers and Low Voltage Circuits; 5.13A, 5.21, 5.28A, 6.0, 43.2 – 43.6, Table 43.1, Section 45, 46.2.2, Section 66B, 80.2.9, and 81.6
– Editorial Corrections; 80.1.1