UL-913 › Complete Document History
Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, III, Division 1, Hazardous (Classified) Locations
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8TH EDITION - Standard for Intrinsically Safe Apparatus and Associated App - Dec. 6, 2013
CHANGE 04/15 - REVISION CHANGE - CODE B - April 28, 2015
CHANGE 10/15 - REVISION CHANGE - CODE B - Oct. 16, 2015
CHANGE 12/18 - REVISION CHANGE - CODE B - Dec. 10, 2018
CHANGE 03/19 - REVISION CHANGE - CODE B - March 11, 2019
CHANGE 12/19 - REVISION CHANGE - CODE B - Dec. 6, 2019
CHANGE 05/22 - REVISION CHANGE - CODE B - May 10, 2022
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Obsolete Revision Information: |
CHANGE 09/11 - REVISION CHANGE - CODE D - Sept. 23, 2011
CHANGE 05/11 - REVISION CHANGE - CODE D - May 25, 2011
CHANGE 06/10 - REVISION CHANGE - CODE D - June 3, 2010
CHANGE 08/08 - REVISION CHANGE - CODE D - Aug. 12, 2008
7TH EDITION - DIVISION 1, HAZARDOUS (CLASSIFIED) LOCATIONS - July 31, 2006
CHANGE 08/04 - REVISION CHANGE - CODE D - Aug. 9, 2004
CHANGE 12/03 - REVISION CHANGE - CODE D - Dec. 15, 2003
CHANGE 06/03 - REVISION CHANGE - CODE D - June 30, 2003
6TH EDITION - DIVISION 1, HAZARDOUS (CLASSIF - Aug. 8, 2002
5TH EDITION - DIVISION 1, HAZARDOUS (CLASSIF - Feb. 21, 1997
CHANGE 11/94 - INTRINSICALLY SAFE APPARATUS & - Nov. 8, 1994
ERRATA 12/12/88 - INTRINSICALLY SAFE APPARATUS & - Dec. 12, 1988
1988 EDITION - INTRINSICALLY SAFE APPARATUS & - July 29, 1988
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