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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 ...
An exit sign is a pictogram or short text in a public facility (such as a building, aircraft, or boat) marking the location of the closest emergency exit to be used in an emergency that necessitates rapid evacuation.
A hallway under regular lighting (left) and emergency lighting (right) US-style emergency lighting fixture An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage.
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.
If the occupancy is also required to have emergency lighting, these illuminated exit signs need to be provided with emergency power. The same methods of testing the emergency lighting can be used for testing the exit marking illumination emergency power as well. [4]
The NFPA 72 "covers the application, installation, location, performance, inspection, testing, and maintenance of fire alarm systems, supervising station alarm systems, public emergency alarm reporting systems, fire warning equipment and emergency communications systems (ECS), and their components."
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