UL-555 › Complete Document History
Standard for Fire Dampers
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7TH EDITION - Standard for Fire Dampers - July 12, 2006
CHANGE 02/09 - REVISION CHANGE - CODE D - Feb. 23, 2009
CHANGE 01/10 - REVISION CHANGE - CODE D - Jan. 26, 2010
CHANGE 04/10 - REVISION CHANGE - CODE D - April 9, 2010
CHANGE 05/10 - REVISION CHANGE - CODE D - May 4, 2010
CHANGE 05/11 - REVISION CHANGE - CODE D - May 16, 2011
CHANGE 09/11 - REVISION CHANGE - CODE D - Sept. 22, 2011
CHANGE 05/12 - REVISION CHANGE - CODE D - May 15, 2012
CHANGE 11/13 - REVISION CHANGE - CODE D - Nov. 5, 2013
CHANGE 08/16 - REVISION CHANGE - CODE D - Aug. 4, 2016
CHANGE 10/20 - REVISION CHANGE - CODE D - Oct. 9, 2020
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Obsolete Revision Information: |
CHANGE 01/02 - Standard for Fire Dampers - Jan. 10, 2002
6TH EDITION - Standard for Fire Dampers - June 1, 1999
5TH EDITION - FIRE DAMPERS & CEILING DAMPERS - Jan. 1, 1995
DOD ADOPTION - FYI ONLY: DOD ADOPTED - July 29, 1994
1990 EDITION - FIRE DAMPERS & CEILING DAMPERS - Jan. 1, 1990
1979 EDITION - FIRE DAMPERS & CEILING DAMPERS - May 1, 1986
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