UL-346 › Standard for Waterflow Indicators for Fire Protective Signaling Systems
Included in this current edition are the following subparts:
5TH EDITION - June 30, 2005
CHANGE 11/09 - Nov. 12, 2009
CHANGE 10/14 - Oct. 30, 2014
CHANGE 09/19 - Sept. 20, 2019
CHANGE 11/23 - Nov. 1, 2023
CHANGE 11/09 - Nov. 12, 2009
CHANGE 10/14 - Oct. 30, 2014
CHANGE 09/19 - Sept. 20, 2019
CHANGE 11/23 - Nov. 1, 2023
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Document Number
UL-346
Revision Level
5TH EDITION
Status
Current
Publication Date
June 30, 2005
Page Count
54 pages