UL 789-2004 UL Standard for Safety Indicator Posts for Fire-Protection Service (Tenth Edition; Reprint with Revisions Through and Including February 08, 2013)
1.1 These requirements cover indicator posts, including wall and underground types, for use in operating
valves of the inside-screw pattern and for indicating the position of the gates in such valves. Indicator
posts are primarily intended for use with valves controlling water supplies to sprinkler, deluge, water spray,
foam, and standpipe systems used in private fire service where connections enter buildings.
1.2 Requirements for the installation and use of the indicator posts covered by this standard are included
in the following Standards of the National Fire Protection Association:
a) NFPA 11, Low Expansion Foam and Combined Agent Systems;
b) NFPA 13, Installation of Sprinkler Systems;
c) NFPA 14, Installation of Standpipe and Hose Systems; and
d) NFPA 24, Installation of Private Fire Service Mains.
UL 789-2004 history
2018UL 789 BULLETIN-2018 UL Standard for Safety Indicator Posts for Fire-Protection Service (COMMENTS DUE: April 23@ 2018)
1970UL 789-2018 Indicator posts for fire-protection service
2017UL 789 BULLETIN-2017 UL Standard for Safety Indicator Posts for Fire-Protection Service (COMMENTS DUE: May 15@ 2017)
2012UL 789 BULLETIN-2012 UL Standard for Safety Indicator Posts for Fire-Protection Service (COMMENTS DUE: December 24@ 2012)
2008UL 789 BULLETIN-2008 UL Standard for Safety Indicator Posts for Fire-Protection Service (COMMENTS DUE: July 07@ 2008)
2007UL 789 BULLETIN-2007 UL Standard for Safety Indicator Posts for Fire-Protection Service
2004UL 789-2004 UL Standard for Safety Indicator Posts for Fire-Protection Service (Tenth Edition; Reprint with Revisions Through and Including February 08, 2013)