UL-634 Complete Document History
Standard for Connectors and Switches for Use with Burglar-Alarm Systems

Complete Current Edition:
   9TH EDITION - CONNECTORS & SWITCHES FOR USE WITH BURGLAR-ALARM SYSTEMS - Oct. 12, 2007
   CHANGE 12/09 - REVISION CHANGE - CODE B - Dec. 31, 2009
   CHANGE 03/13 - REVISION CHANGE - CODE B - March 4, 2013
   CHANGE 03/15 - REVISION CHANGE - CODE B - March 27, 2015

Obsolete Revision Information:
   8TH EDITION - CONNECTORS & SWITCHES FOR USE - Feb. 23, 2000
   7TH EDITION - CONNECTORS & SWITCHES FOR USE - Jan. 1, 1995
   1990 EDITION - CONNECTORS & SWITCHES FOR USE - Jan. 1, 1990