UL 228-06 Door closers-holders, with or without integral smoke detectors
Publication Year
2006
Document Status
Current
Abstract
Requirements applicable to swinging door closers equipped with integral electromechanical or electromagnetic holders which may be provided with integral smoke detectors.
Document History
Revised March 11, 2022.
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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