Summary of Topics s1838_3_sum.htmlSummary of Topics
The revisions of ANSI/UL 1838 dated July 11, 2023 include the following changes in requirements:
• Removed the output circuit VA power limitation; 1.3, 1.4, and 56.6
• Definition Removals; 2.5, 2.13, 2.14, 2.14.1, 2.19.1, 7.1, and 10.1
• Clarified the requirements applicable to class 2 circuits within a power unit; 15.1.1 and 15.1.2
• Protective Devices; 20.1 and 20.4
• Elimination of multiple branch circuit supply connections; 24.1.2 and 50.9
• Power supply cords with integral attachment plugs; 24.3.3
• Maximum Output Test; 28.2.2
• Overload Test; 29.2 and Figure 29.1
• Short Circuit Test revision and elimination of Limited Short Circuit Test; 44.1 and Section 45
• Shifted the Manufacturing and Production Tests to an informative Annex; Section 46, Section 47, Section 48 and Appendix B
• Rating and marking adjustments; 49.1, 56.2 and 56.4
• Use of websites and QR Codes for required product instructions; Table 50.1
• Insulation Piercing Terminal Temperature Test; 53.4.4, 55.3, 55.5 and Figure 55.1
• Dielectric Withstand Test; 32.1 and Appendix A
• Editorial; Section 13 title