UL-555C › Standard for Ceiling Dampers
Included in this current edition are the following subparts:
4TH EDITION - Dec. 16, 2014
CHANGE 05/17 - May 1, 2017
CHANGE 01/21 - Jan. 21, 2021
CHANGE 05/17 - May 1, 2017
CHANGE 01/21 - Jan. 21, 2021
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Document Number
UL-555C
Revision Level
4TH EDITION
Status
Current
Publication Date
Dec. 16, 2014
Page Count
24 pages