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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.
Components and systems subject to certification fire testing include fire rated walls and floors, closures within them such as windows, fire doors, fire dampers, structural steel, and fire stops. Fire tests are conducted both on active fire protection and on passive fire protection items. There are full-scale, small-scale and bench-scale tests.
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]
During the process of receiving the Fire Safety Certificate, the certification body must obligatory be provided with the packet of the documents which are different for each kind of goods. Certification of fire safety is performed in accordance with the norms of technical rules existing for each kind of production.
Printed circuit board with the mark "94V-0" in the bottom-left corner. UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States. [1]
Fire-resistance rated wall assembly with fire door, cable tray penetration and intumescent cable coating. Passive fire protection (PFP) is components or systems of a building or structure that slows or impedes the spread of the effects of fire or smoke without system activation, and usually without movement. [1]