UL-1254 › Complete Document History
Standard for Pre-Engineered Dry Chemical Extinguishing System Units
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6TH EDITION - UL Standard for Safety Pre-Engineered Dry Chemical Extinguishing System Units - April 3, 2019
CHANGE 04/19 - REVISION CHANGE - CODE B - April 25, 2019
CHANGE 12/19 - REVISION CHANGE - CODE B - Dec. 6, 2019
CHANGE 12/20 - REVISION CHANGE - CODE B - Dec. 2, 2020
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Obsolete Revision Information: |
5TH EDITION - UL Standard for Safety Pre-Engineered Dry Chemical Extinguishing System Units - Dec. 17, 2018
CHANGE 09/17 - REVISION CHANGE - CODE C - Sept. 7, 2017
CHANGE 11/16 - REVISION CHANGE - CODE C - Nov. 23, 2016
CHANGE 08/16 - REVISION CHANGE - CODE C - Aug. 2, 2016
CHANGE 01/15 - REVISION CHANGE - CODE C - Jan. 30, 2015
CHANGE 05/14 - REVISION CHANGE - CODE C - May 13, 2014
CHANGE 08/13 - REVISION CHANGE - CODE C - Aug. 7, 2013
4TH EDITION - Standard for Pre-Engineered Dry Chemical Extinguishing System Units - Feb. 21, 2013
CHANGE 08/10 - REVISION CHANGE - CODE D - Oct. 8, 2010
CHANGE 06/10 - REVISION CHANGE - CODE D - June 25, 2010
3RD EDITION - Pre-Engineered Dry Chemical Extinguishing System Units - Feb. 4, 2005
2ND EDITION - Pre-Engineered Dry Chemical Extinguishing System Units - June 28, 1996
1994 CHANGE - CHANGE NOTICE FOR 1ST EDITION - Jan. 12, 1994
1ST EDITION - Pre-Engineered Dry Chemical Extinguishing System Units - July 13, 1992
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