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2. UL (safety organization) - Wikipedia

   en.wikipedia.org/wiki/UL_(safety_organization)

   The UL enterprise [4] is a global private safety company headquartered in Northbrook, Illinois, composed of three organizations, UL Research Institutes, UL Standards & Engagement and UL Solutions. Established in 1894, the UL enterprise was founded as the Underwriters' Electrical Bureau (a bureau of the National Board of Fire Underwriters ), [ 5 ...

3. Standards for Alarm Systems, Installation, and Monitoring

   en.wikipedia.org/wiki/Standards_for_Alarm...

   The Underwriters Laboratories' UL 365 is a safety standard that governs the construction, performance, and maintenance of police station-connected burglar alarm units and systems. These systems are designed primarily for use in mercantile premises, including mercantile safes and vaults, as well as bank safes and vaults.

4. File:Underwriters' Laboratories, 207-231 East Ohio Street ...

   en.wikipedia.org/wiki/File:Underwriters...

   English: The Underwriters' Laboratories buildings are of interest historically because they served as the headquarters from 1905 to 1979 of the well-known organization in the United States dedicated to the examination and testing of appliances, devices, machinery and materials in respect to life and fire hazards and accident prevention.

5. Underwriters Salvage Corps (Cincinnati, Ohio) - Wikipedia

   en.wikipedia.org/wiki/Underwriters_Salvage_Corps...

   Elm St. Salvage Corps HQ opened in 1924 Salvage Corps HQ on East 8th St. opened in 1897. The Underwriter's Salvage Corps in Cincinnati, Ohio was created and operated by the Underwriters Association, a syndicate of Cincinnati-based fire insurance companies, for the purpose of reducing financial losses to their companies from claims due to building fires by providing a company of trained men ...

6. Fire door - Wikipedia

   en.wikipedia.org/wiki/Fire_door

   NFPA 80 allows a maximum door undercut of 3/4 inch, however fire doors are tested with smaller clearances in accordance with NFPA 252. [6] Corridors have a fire rating of one hour or less, and the fire doors in them are required by code to have a fire rating of 1/2 or 1/3 hour, the intent of which is mainly to restrict smoke travel. [7]

7. Fire stations in Columbus, Ohio - Wikipedia

   en.wikipedia.org/wiki/Fire_stations_in_Columbus...

   Built as a fire station for Marion Township in 1941; [29] incorporated into CFD in 1957; [30] [31] also included a former schoolhouse. [32] [33] The demolition permit was approved in 2021, as the structure was aging and there were concerns of a roof collapse. [34] 1975–present Station 4 Berwick Fire Station 3030 Winchester Pike In use [35] 5 ...