- JULY 31, 2009？UL 563 tr1 Underwriters Laboratories Inc. (UL) 333 P？ngsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Ice Makers, UL 563 Eighth Edition, Dated July 31, 2009 Summary of Topics This New Edition of ANSI/UL 563 includes the following: 1. Addition and revision of glossary terms 2. Addition of requirements for nonmetallic materials including deletion of horizontal burning test – HBF, HF-1, or HF-2 foamed materials and addition of fastener