UL-1610 › Complete Document History
Standard for Central-Station Burglar-Alarm Units

Complete Current Edition:
   4TH EDITION - Standard for Central-Station Burglar-Alarm Units - July 5, 2016
   CHANGE 04/21 - REVISION CHANGE - CODE B - April 21, 2021

Obsolete Revision Information:
   CHANGE 03/15 - REVISION CHANGE - CODE A - March 20, 2015
   CHANGE 09/10 - REVISION CHANGE - CODE A - Sept. 10, 2010
   CHANGE 01/10 - REVISION CHANGE - CODE A - Jan. 11, 2010
   CHANGE 08/01 - REVISION CHANGE - CODE A - Aug. 29, 2001
   3RD EDITION - CENTRAL-STATION BURGLAR-ALARM - Oct. 26, 1998
   1985 EDITION - CENTRAL-STATION BURGLAR-ALARM - Jan. 1, 1985