UL-1996 › Complete Document History
Standard for Electric Duct Heaters
| Complete Current Edition: |
4TH EDITION - Standard for Electric Duct Heaters - Aug. 31, 2009
CHANGE 12/09 - REVISION CHANGE - CODE B - Dec. 15, 2009
CHANGE 11/11 - REVISION CHANGE - CODE B - Nov. 4, 2011
CHANGE 06/14 - REVISION CHANGE - CODE B - June 13, 2014
CHANGE 07/16 - REVISION CHANGE - CODE B - July 15, 2016
CHANGE 08/20 - REVISION CHANGE - CODE B - Aug. 7, 2020
CHANGE 09/21 - REVISION CHANGE - CODE B - Sept. 29, 2021
CHANGE 08/22 - REVISION CHANGE - CODE B - Aug. 30, 2022
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Obsolete Revision Information: |
CHANGE 12/06 - REVISION CHANGE - CODE A - Dec. 1, 2006
CHANGE 11/04 - REVISION CHANGE - CODE A - Nov. 15, 2004
3RD EDITION - DUCT HEATERS - Nov. 12, 2004
1992 EDITION - DUCT HEATERS - Jan. 1, 1992
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