Summary of Topics s1951_2_sum.htmlSUMMARY OF TOPICS
These revisions to ANSI/UL 1951 include the following changes in requirements:
•Update requirements for capacitors
•Update requirements for Switch-Mode Power Supplies
•Update requirements for switches
•Allow the use of UL 840 to evaluate clearance and creepage distances
•Add specifications for Safety Critical Functions
•Revise requirements for electronic circuits