Summary of Topics s62841-3-4_1_sum.htmlSummary of Topics
This revision of ANSI/UL 62841-3-4, dated February 28, 2025, includes the adoption of Amendment 2 of IEC 62841-3-4 published by the IEC February 2024.
UL 62841-3-4 is an adoption of IEC 62841-3-4, Edition 1 published February 2016, and includes IEC Amendment 1, issued July 2019 and Amendment 2 issued February 2024. Please note that the National Difference document incorporates all of the U.S. national differences for UL 62841-3-4.