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  2. Kill switch - Wikipedia

    en.wikipedia.org/wiki/Kill_switch

    An emergency stop button with a custom-made plastic molly guard to prevent it from being pressed accidentally A machinery's emergency stop control is considered a complementary protective measure [ 16 ] because it is intended to complement the primary safeguarding measures like fixed guards, movable interlocked guards or safeguarding devices .

  3. Sifa - Wikipedia

    en.wikipedia.org/wiki/Sifa

    It is usually a pedal and/or large press button, which monitors the alertness of the driver. The driver has to repeatedly press a button after a fixed interval; if they fail to do so, the train will carry out an emergency stop. It complements the external train safety systems: PZB, LZB and ETCS. [3] The Sifa control display in the ICE 3

  4. Emergency brake (train) - Wikipedia

    en.wikipedia.org/wiki/Emergency_brake_(train)

    Emergency Brake Handle on Bombardier commuter rail equipment, Sounder, Seattle, WA. In the USA, an emergency stop cord is not used. Any visible cord running within the body of a railway car would have been what was known as the "communicating cord". This was a method of signalling the engine operator (known in the US as the "engineer").

  5. 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

  6. Train Protection & Warning System - Wikipedia

    en.wikipedia.org/wiki/Train_Protection_&_Warning...

    TPWS was developed by British Rail and its successor Railtrack, following a determination in 1994 that British Rail's Automatic Train Protection system was not economical, costing £600,000,000 equivalent to £979,431,929 in 2019 to implement, compared to value in lives saved: £3-£4 million (4,897,160 - 6,529,546 in 2019), per life saved, which was estimated to be 2.9 per year.

  7. 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.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Dead man's switch - Wikipedia

    en.wikipedia.org/wiki/Dead_man's_switch

    Interest in dead man's controls increased with the introduction of electric trams (streetcars in North America) and especially electrified rapid transit trains. The first widespread use came with the introduction of the mass-produced Birney One-Man Safety (tram) Car, though dead-man equipment was fairly rare on US streetcars until the successful PCC streetcar, which had a left-foot-operated ...

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