UL UL 1598B ⑧ Underwriters Laboratories Inc . Standard for Safety Supplemental Requirements for Luminaire Reflector Kits for Installation on Previously Installed Fluorescent Luminaires july31,2009-ul1598b Underwriters Laboratories Inc .( UL) 333 Pfingsten Road Northbrook ,IL 60062-2096 UL Standard for Safety for Supplemental Requirements for Luminaire Reflector Kits for Installation on Previously Installed Fluorescent Luminaires ,UL 1598B First Edition .Dated December 4 .2000 Revisions :This Standard contains revisions through and including July 31 ,2009 . Summary of Topics This revision to the Standard for Safety for Supplemental Requirements for Luminaire Reflector Kits for Installation on Previously Installed Fluorescent Luminaires ,UL 1598B ,is being issued to reflect the latest reaffirmation of ANSI approval .No changes have been made to the requirements within this Standard . Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin .Changes in requirements are marked with a vertical line in the margin and are followed by an effective date note indicating the date of publication or ...