UL-452 › Complete Document History
Standard for Antenna - Discharge Units

Complete Current Edition:
   7TH EDITION - ANTENNA - DISCHARGE UNITS - Nov. 2, 2006
   CHANGE 03/07 - CHANGE NOTICE - PRICE CODE A - March 23, 2007
   CHANGE 10/11 - CHANGE NOTICE - PRICE CODE A - Oct. 6, 2011
   CHANGE 12/15 - REVISION CHANGE - CODE A - Dec. 23, 2015
   CHANGE 08/21 - REVISION CHANGE - CODE A - Aug. 6, 2021

Obsolete Revision Information:
   6TH EDITION - ANTENNA DISCHARGE UNITS - Aug. 9, 1993
   1987 EDITION - ANTENNA DISCHARGE UNITS - Jan. 1, 1987