UL-1778 › Complete Document History
Uninterruptible Power Systems
Complete Current Edition: |
5TH EDITION - Standard for Uninterruptible Power Supply Equipment - June 13, 2014
CHANGE 08/15 - REVISION CHANGE - CODE D - Aug. 7, 2015
CHANGE 10/10/17 - REVISION CHANGE - CODE D - Oct. 10, 2017
CHANGE 10/12/17 - REVISION CHANGE - CODE D - Oct. 12, 2017
CHANGE 04/23 - REVISION CHANGE - CODE D - April 28, 2023
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Obsolete Revision Information: |
CHANGE 11/14 - REVISION CHANGE - CODE D - Nov. 19, 2014
CHANGE 10/11 - REVISION CHANGE - CODE D - Oct. 14, 2011
CHANGE 02/10 - REVISION CHANGE - CODE D - Feb. 24, 2010
CHANGE 07/06 - REVISION CHANGE - CODE D - July 28, 2006
CHANGE 02/06 - REVISION CHANGE - CODE D - Feb. 28, 2006
CHANGE 01/06 - REVISION CHANGE - CODE D - Jan. 30, 2006
4TH EDITION - Standard for Uninterruptible Power Supply Equipment - Sept. 15, 2005
CHANGE 05/04 - REVISION CHANGE - CODE D - May 27, 2004
3RD EDITION - Standard for Uninterruptible Power Supply Equipment - March 14, 2003
CHANGE 01/00 - REVISION CHANGE - CODE D - Jan. 5, 2000
CHANGE 01/99 - REVISION CHANGE - CODE D - Jan. 11, 1999
CHANGE 11/97 - REVISION CHANGE - CODE D - Nov. 17, 1997
CHANGE 03/96 - REVISION CHANGE - CODE D - March 15, 1996
CHANGE 02/96 - REVISION CHANGE - CODE D - Feb. 1, 1996
2ND EDITION - CONCURRENT W/3RD EDITION - Oct. 25, 1994
1992 EDITION - Standard for Uninterruptible Power Supply Equipment - Jan. 1, 1992
1989 DRAFT - 1989 Draft Edition - March 15, 1989
1989 EDITION - Standard for Uninterruptible Power Supply Equipment - Jan. 1, 1989
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