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This rating is the requirement in data safes and vault structures for protecting digital information on magnetic media or hard drives. Temperatures inside the protected chamber must be held below 125 °F (52 °C) for the time period specified, such as Class 125-2 Hour, with temperatures up to 2,000 °F (1,090 °C) outside the vault.
Fire-resistance rated door, with wire mesh glass vision panel Industrial grade fire door rated to hydrocarbon curve and blast resistance Double fire door immediately after 3-hour fire test inside a 4-hour rated Durasteel wall Double fire door after 3-hour fire test in a 4-hour Durasteel wall, during successful 45PSI (3.1 bar) hose stream test leading to a UL Listing [1]
UL provides a variety of fire rating classifications, 125, 150, and 350 representing the maximum internal temperature in degrees Fahrenheit the safe may not exceed during the test. The classifications come in durations from 1/2 hour to 4 hours in length. The safe is exposed to gradually higher temperatures depending on the duration of the test.
A safety cabinet is used for the safe storage of flammable chemical substance or compressed gas cylinders. [1] Primarily, they should meet three major safety requirements: Minimize the fire risks associated with the storage of flammable substances and protect the cabinet's contents for a known (tested) minimum length of time (fire rating). It ...
A common rating for gun safes is "350-1 hour" or "350-2 hour", which means that when the safe is in a fire, the inside will not get warmer than 350 degrees Fahrenheit for 1 or 2 hours. [16] [20] It has been noted that fireproof safes may be insecure against unauthorized entry. [21]
Area of refuge. An area of refuge or safe room[1] is a place in a building designed to hold occupants during a fire or other emergency when evacuation may not be safe or possible. Occupants can wait there until rescued or relieved by firefighters. [1]
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