This re-circulation proposal provides revisions to the proposal document dated February 9, 2007 for the Fourth Edition of the Standard for Safety for Explosive Atmospheres - Part 7: Equipment Protection by Increased Safety "e", UL 60079-7 based upon the comments received.
ANSI/UL 60079-7-2008 history
2008ANSI/UL 60079-7-2008 Standard for Safety for Electrical Apparatus Gas Explosive - Part 7: Increased safety "e"