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  2. Kill switch - Wikipedia

    en.wikipedia.org/wiki/Kill_switch

    An emergency switch in Japan. On railways, [1] an emergency stop is a full application of the brakes in order to bring a train to a stop as quickly as possible. [2] This occurs either by a manual emergency stop activation, such as a button being pushed on the train to start the emergency stop, or on some trains automatically, when the train has passed a red signal or the driver has failed to ...

  3. Safety relay - Wikipedia

    en.wikipedia.org/wiki/Safety_relay

    In the event of a hazard, the task of safety functions (e.g. E-STOP, safety gate or standstill monitoring) is to use appropriate measures to reduce the existing risk to an acceptable level. These many safety functions include: Emergency stop pushbuttons; Safety gates; Light beam devices; Pressure sensitive mats; Two-hand controls; Time delay

  4. Push-button - Wikipedia

    en.wikipedia.org/wiki/Push-button

    A push-button (also spelled pushbutton) or simply button is a simple switch mechanism to control some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. [1] The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed.

  5. Emergency driver assistant - Wikipedia

    en.wikipedia.org/wiki/Emergency_driver_assistant

    The emergency stop signal works with the simultaneous operation of all the stop or direction-indicator lamps flashing at a frequency of around 4 Hertz. In Australia and in the European Union, lamps of the emergency stop signal may emit amber or red light. [12] [11] It is assumed that EBD is very efficient. [10]

  6. Scram - Wikipedia

    en.wikipedia.org/wiki/Scram

    SCRAM button in the control room of the NS Savannah. Liquid neutron absorbers (neutron poisons) are also used in rapid shutdown systems for heavy and light water reactors. Following a scram, if the reactor (or section(s) thereof) are not below the shutdown margin (that is, they could return to a critical state due to insertion of positive ...

  7. Crash bar - Wikipedia

    en.wikipedia.org/wiki/Crash_bar

    A crash bar (also known as a panic exit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.

  8. New panic alarm system saved countless lives during shooting ...

    www.aol.com/news/panic-alarm-system-saved...

    A new panic alarm system that was triggered during Wednesday’s deadly shooting at a Georgia high school likely saved countless lives, authorities and advocates for the technology said.

  9. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    These "slick-top" cars mount their emergency lights within the cruiser, generally around the periphery of the windshield or into the leading or trailing edge of the roof. Slick-top police cars also lack the silhouette of a lightbar or beacon, making the car harder to identify as a police vehicle from a distance, especially fore and aft.