UL 555S-14 Smoke dampers
Publication Year
2014
Document Status
Current
Abstract
Specifies smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems.
Document History
Revised October 09, 2020.
Publisher Information
Underwriters Laboratories
Established in 1894 as the Underwriters' Electrical Bureau, UL is a global safety consulting and certification company, approved to perform safety testing by the U.S. federal agency of Occupational Safety and Health Administration.
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