UL 1478-23 Standard for fire pump relief valves
Publication Year
2023
Document Status
Current
Abstract
Specifies electric booster water heaters, electric commercial storage tank water heaters, and remote control assemblies for such heaters.
Document History
Supersedes UL 1478-04.
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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