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Emergency exit in Universitetet metro station in Stockholm. An emergency exit in a building or other structure is a special exit used during emergencies such as fires.The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible.
A fire escape is a special kind of emergency exit, usually mounted to the outside of a building—occasionally inside, but separate from the main areas of the building. It provides a method of escape in the event of a fire or other emergency that makes the stairwells inside a building inaccessible.
Some structures need special emergency exits or fire escapes to ensure the availability of alternative escape paths. Commercial passenger vehicles such as buses, boats, and aircraft also often have evacuation lighting and signage, and in some cases windows or extra doors that function as emergency exits.
Modern exit signs are often combined with other safety devices, such as emergency floodlighting for supplementary area illumination. [13] Modern exit signs are also, to some degree, flame retardant. Exit signs draw a relatively small amount of power, and can generally be added onto any existing electrical circuit without adverse effects.
ISO 7010 is an International Organization for Standardization technical standard for graphical hazard symbols on hazard and safety signs, including those indicating emergency exits. It uses colours and principles set out in ISO 3864 for these symbols, and is intended to provide "safety information that relies as little as possible on the use of ...
Evacuation slide used in an emergency drill. An evacuation slide is an inflatable slide used to evacuate an aircraft quickly. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would be unable to step down from the door uninjured (Federal Aviation Administration requires slides on all ...
In the event emergency exits are required, the crash bar works efficiently to allow people to pass through security doors without a reduction in speed. A crash bar's fast-acting mechanism reduces the risk that a rushing crowd might suddenly become a logjam at the exits.
A runaway truck ramp on the A7 in Germany. A runaway truck ramp, runaway truck lane, escape lane, safety ramp, emergency escape ramp, or truck arrester bed is a traffic device that enables vehicles which are having braking problems to stop safely.