UL 1981 BULLETIN-2011
UL Standard for Safety Central-Station Automation Systems (COMMENTS DUE: September 19@ 2011)

Standard No.

UL 1981 BULLETIN-2011

Release Date

2011

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2014-10

Replace By

UL 1981 BULLETIN-2013

Latest

UL 1981 BULLETIN-2022

UL 1981 BULLETIN-2011 history

• 2022 UL 1981 BULLETIN-2022 UL Standard for Safety Central-Station Automation Systems
• 1970 UL 1981-2019
• 2014 UL 1981 BULLETIN-2014 UL Standard for Safety Central-Station Automation Systems (COMMENTS DUE: March 11@ 2014)
• 2014 UL 1981-2014 UL Standard for Safety Central-Station Automation Systems (Third Edition)
• 2013 UL 1981 BULLETIN-2013 UL Standard for Safety Central-Station Automation Systems (COMMENTS DUE: July 08@ 2013)
• 2011 UL 1981 BULLETIN-2011 UL Standard for Safety Central-Station Automation Systems (COMMENTS DUE: September 19@ 2011)
• 2008 UL 1981 BULLETIN-2008 UL Standard for Safety Central-Station Automation Systems COMMENTS DUE: May 2, 2008
• 2003 UL 1981 BULLETINS-2003 (Draft)6/20/2003 (10p)
• 2003 UL 1981 BULLETIN-2003 UL Standard for Safety Central-Station Automation Systems
• 2003 UL 1981-2003 UL Standard for Safety Central-Station Automation Systems (Second Edition)
• 2002 UL 1981 BULLETINS-2002 10/30/2002 (16p)
• 2002 UL 1981 BULLETIN-2002 UL Standard for Safety Central-Station Automation Systems
• 1994 UL 1981-1994 UL Standard for Safety Central-Station Automation Systems (First Edition; Reprint with Revisions Through and Including May 07@ 1999)