UL-1561 › Standard for Dry-Type General Purpose and Power Transformers
Included in this current edition are the following subparts:
4TH EDITION - March 2, 2011
CHANGE 09/12 - Sept. 28, 2012
CHANGE 12/14 - Dec. 22, 2014
CHANGE 06/15 - June 16, 2015
CHANGE 05/19 - May 13, 2019
CHANGE 08/23 - Aug. 31, 2023
CHANGE 09/12 - Sept. 28, 2012
CHANGE 12/14 - Dec. 22, 2014
CHANGE 06/15 - June 16, 2015
CHANGE 05/19 - May 13, 2019
CHANGE 08/23 - Aug. 31, 2023
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Document Number
UL-1561
Revision Level
4TH EDITION
Status
Current
Publication Date
March 2, 2011
Page Count
78 pages