UL-33 › Standard for Heat Responsive Links for Fire-Protection Service

UL-33 - 9TH EDITION - CURRENT
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Included in this current edition are the following subparts:

 9TH EDITION - June 21, 2021
 CHANGE 07/21 - July 1, 2021
 CHANGE 01/22 - Jan. 20, 2022
 CHANGE 10/22 - Oct. 31, 2022


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Document Number

UL-33

Revision Level

9TH EDITION

Status

Current

Publication Date

June 21, 2021