UL-2021 › Complete Document History
Standard for Fixed and Location-Dedicated Electric Room Heaters
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4TH EDITION - Standard for Fixed and Location-Dedicated Electric Room Heat - Sept. 30, 2015
CHANGE 12/16 - REVISION CHANGE - CODE D - Dec. 14, 2016
CHANGE 02/21 - REVISION CHANGE - CODE D - Feb. 2, 2021
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Obsolete Revision Information: |
CHANGE 06/13 - REVISION CHANGE - CODE D - June 6, 2013
3RD EDITION - Standard for Fixed and Location-Dedicated Electric Room Heat - Jan. 30, 2013
CHANGE 6/30/10 - REVISION CHANGE - CODE D - June 30, 2010
CHANGE 06/10 - REVISION CHANGE - CODE D - June 14, 2010
CHANGE 12/09 - REVISION CHANGE - CODE D - Dec. 30, 2009
CHANGE 01/06 - REVISION CHANGE - CODE D - Jan. 17, 2006
CHANGE 12/02 - REVISION CHANGE - CODE D - Dec. 26, 2002
2ND EDITION - Standard for Fixed and Location-Dedicated Electric Room Heat - April 16, 1997
1ST EDITION - Standard for Fixed and Location-Dedicated Electric Room Heat - Jan. 1, 1992
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