UL 789

UL Standard for Safety Indicator Posts for Fire-Protection Service - Tenth Edition; Reprint with revisions through and including February 8, 2013

contributor author	UL - UL
date accessioned	2017-09-04T18:35:28Z
date available	2017-09-04T18:35:28Z
date copyright	01/09/2004
date issued	2004
identifier other	JIWSBFAAAAAAAAAA.pdf
identifier uri	https://yse.yabesh.ir/std/handle/yse/217507
description abstract	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. 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.
language	English
title	UL 789	num
title	UL Standard for Safety Indicator Posts for Fire-Protection Service - Tenth Edition; Reprint with revisions through and including February 8, 2013	en
type	standard
page	18
status	Active
tree	UL - UL:;2004
contenttype	fulltext