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  2. Exit control lock - Wikipedia

    en.wikipedia.org/wiki/Exit_control_lock

    This delay reserves time for security personnel to get to the door before the door opens. The lock will also release if there is a fire alarm or power failure, but otherwise these locks hold the exit doors shut. Exit control systems can include a "request to exit detector" such as a pushbutton that opens the exit, if exit requests are enabled.

  3. Electromagnetic door holder - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_door_holder

    The door holders release, allowing the doors to close automatically using door closers. [1] [2] The electric power to keep the doors open is typically 12 VDC, 24 VDC (common), 24 VAC, 120 VAC, or 240 VAC. The closed doors may or may not mechanically latch or lock in the closed position. Many fire doors do not lock, to allow building occupants ...

  4. ISO 7010 - Wikipedia

    en.wikipedia.org/wiki/ISO_7010

    The standard was published in October 2003, splitting off from ISO 3864:1984, which set out design standards and colors of safety signage and merging ISO 6309:1987, Fire protection - Safety signs to create a unique and distinct standard for safety symbols.

  5. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    When unlocking, insert the electronic key into the keyhole of the passive electronic lock, that is, the three contacts on the head end of the key are in contact with the three contacts on the passive electronic lock. At this time, the key will supply power to the passive electronic lock, and at the same time, read the ID number of the passive ...

  6. File:ISO 6309 - 11 - Fire Extinguisher.svg - Wikipedia

    en.wikipedia.org/wiki/File:ISO_6309_-_11_-_Fire...

    Date/Time Thumbnail Dimensions User Comment; current: 03:28, 9 December 2022: 200 × 200 (1 KB) The Navigators: Uploaded a work by User:The Navigators from Drawn according to ''ISO 6309:1987 - Fire protection — Safety signs''. with UploadWizard

  7. Exit sign - Wikipedia

    en.wikipedia.org/wiki/Exit_sign

    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. Most fire, building, health, and safety codes require exit signs that are always lit.

  8. Safety sign - Wikipedia

    en.wikipedia.org/wiki/Safety_sign

    Clockwise from upper left: Sign prohibiting foreign objects on a runway, Japan; Stay on paths, unexploded bombs, Germany; Asbestos danger, United States; Fire extinguisher, ISO. A safety sign is a sign designed to warn of hazards, indicate mandatory actions or required use of personal protective equipment , prohibit actions or objects, identify ...

  9. Emergency exit - Wikipedia

    en.wikipedia.org/wiki/Emergency_exit

    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.

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