UL-555 › Standard for Fire Dampers
Included in this current edition are the following subparts:
7TH EDITION - July 12, 2006
CHANGE 02/09 - Feb. 23, 2009
CHANGE 01/10 - Jan. 26, 2010
CHANGE 04/10 - April 9, 2010
CHANGE 05/10 - May 4, 2010
CHANGE 05/11 - May 16, 2011
CHANGE 09/11 - Sept. 22, 2011
CHANGE 05/12 - May 15, 2012
CHANGE 11/13 - Nov. 5, 2013
CHANGE 08/16 - Aug. 4, 2016
CHANGE 10/20 - Oct. 9, 2020
CHANGE 02/09 - Feb. 23, 2009
CHANGE 01/10 - Jan. 26, 2010
CHANGE 04/10 - April 9, 2010
CHANGE 05/10 - May 4, 2010
CHANGE 05/11 - May 16, 2011
CHANGE 09/11 - Sept. 22, 2011
CHANGE 05/12 - May 15, 2012
CHANGE 11/13 - Nov. 5, 2013
CHANGE 08/16 - Aug. 4, 2016
CHANGE 10/20 - Oct. 9, 2020
To find similar documents by Federal Supply Class Code:
FSC 4520 (Space and Water Heating Equipment)
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Document Number
UL-555
Revision Level
7TH EDITION
Status
Current
Publication Date
July 12, 2006
Page Count
40 pages