UL-674 Complete Document History
Electric Motors and Generators for Use in Hazardous (Classified) Locations

Complete Current Edition:
   5TH EDITION - ELECTRIC MOTORS & GENERATORS FOR USE IN HAZARDOUS (CLASSIFIE - May 31, 2011
   CHANGE 08/11 - REVISION CHANGE - PRICE CODE A - Aug. 12, 2011
   CHANGE 07/13 - REVISION CHANGE - CODE A - July 19, 2013
   CHANGE 11/15 - REVISION CHANGE - CODE B - Nov. 6, 2015
   CHANGE 05/17 - REVISION CHANGE - CODE B - May 19, 2017
   CHANGE 11/18 - REVISION CHANGE - CODE B - Nov. 9, 2018
   CHANGE 12/20 - REVISION CHANGE - CODE B - Dec. 28, 2020

Obsolete Revision Information:
   CHANGE 08/08 - REVISION CHANGE - CODE A - Aug. 12, 2008
   CHANGE 10/07 - REVISION CHANGE - CODE A - Oct. 19, 2007
   CHANGE 04/06 - REVISION CHANGE - CODE A - April 13, 2006
   4TH EDITION - ELECTRIC MOTORS & GENERATORS F - Dec. 11, 2003
   3RD EDITION - ELECTRIC MOTORS & GENERATORS F - April 27, 1994
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Sept. 5, 1989
   1989 EDITION - ELECTRIC MOTORS & GENERATORS F - June 23, 1989