Revision pages have been issued for the Standard for Power Converter/Inverter Systems for Land Vehicles and Marine Crafts, UL 458 to reflect the latest ANSI approval date and to incorporate the proposals dated June 29, 2007 and October 19, 2007. The proposals included the following:
• Addition of requirements for products which rely on solid-state devices or software for safety-related functions.
• Clarification of transfer switch/mechanism requirements throughout the standard.
• Revisions to the Maximum Acceptable Temperatures table and addition of a marking and instruction manual requirement for hot surfaces to reflect present practice.