Summary of Topics s561_7_sum.htmlSUMMARY OF TOPICS
This revision of ANSI/UL 561 dated June 29, 2021 includes the following changes in requirements:
– Replacing the References to the Standard For Power Conversion Equipment, UL 508C, With Reference to the Standard For Adjustable Speed Electrical Power Drive Systems – Part 5-1: Safety Requirements – Electrical, Thermal and Energy, UL 61800-5-1; 4.5.4.1 and 4.14.4.4
– Type SJ Power Supply Cords for Commercial Spray Extraction Machines; 10.8
– Addition of UL 969A into UL 561; 46.1