Summary of Topics s4248-9_1_sum.html
Summary of Topics
This revision of ANSI/UL 4248-9 dated May 25, 2023 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS). No technical changes have been made.
As noted in the Commitment for Amendments statement located on the back side of the title page, ULSE, CSA Group, and ANCE are committed to updating this harmonized standard jointly. However, the revision pages dated May 25, 2023 will not be jointly issued by ULSE, CSA Group, and ANCE as these revision pages only address UL ANSI approval dates.