UL 634-1990
Connectors and switches for use with burglar-alarm systems

Standard No.

UL 634-1990

Release Date

1990

Published By

Underwriters Laboratories (UL)

Status

Be replaced 1999-04

Replace By

UL 634-1995

Latest

UL 634-2020

UL 634-1990 history

• 1970 UL 634-2020
• 2016 UL 634 BULLETIN-2016 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (COMMENTS DUE: November 11@ 2016)
• 2014 UL 634 BULLETIN-2014 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (COMMENTS DUE: December 1@ 2014)
• 2013 UL 634 CRD-2013 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems - Section/Paragraph Reference: Sections 19.2 and 64 Subject: Operating Gap - All Switches (Edition 9: October 12, 2007)
• 2013 UL 634 BULLETIN-2013 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (COMMENTS DUE: August 12@ 2013)
• 2012 UL 634 BULLETIN-2012 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (COMMENTS DUE: April 09@ 2012)
• 2007 UL 634 BULLETIN-2007 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (COMMENTS DUE: May 14@ 2007)
• 2007 UL 634-2007 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems Ninth Edition
• 2006 UL 634 BULLETINS-2006 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (10/27/2006 (62p); 07/24/2006 (62p); 03/03/2006 (50p))
• 2004 UL 634 BULLETIN-2004 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems
• 2000 UL 634-2000 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (Eighth Edition)
• 1995 UL 634-1995 UL Standard for Safety Connectors and Switches for Use with Burglar-Alarm Systems (Seventh Edition; Reprint with Revisions Through and Including March 08@ 1999)
• 1990 UL 634-1990 Connectors and switches for use with burglar-alarm systems