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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

    A normal relay uses a wire coil and the mechanical movement of the metal contacts to switch the load on and off. The metal contacts may weld shut after repeated operation cycles. If this happens, the machine would continue running if the operator pressed the emergency stop pushbutton. This would be hazardous for the operator.

  4. Relay - Wikipedia

    en.wikipedia.org/wiki/Relay

    The contact is closed by the application of power to the relay coil, but only after the coil has been continuously powered for the specified amount of time. In other words, the direction of the contact's motion (either to close or to open) is identical to a regular NO contact, but there is a delay in closing direction.

  5. Electrical contact - Wikipedia

    en.wikipedia.org/wiki/Electrical_contact

    The National Association of Relay Manufacturers and its successor, the Relay and Switch Industry Association define 23 distinct forms of electrical contact found in relays and switches. [12] A normally closed (NC) contact pair is closed (in a conductive state) when it, or the device operating it, is in a deenergized state or relaxed state. A ...

  6. Fort Worth church's human trafficking shelter approved ... - AOL

    www.aol.com/fort-worth-churchs-human-trafficking...

    The city council approved the site plan for Mercy Culture Church's proposed residential facility last night in a divided 6-4 vote after hours of heated debate.

  7. The #1 Nutrient to Help You Sleep When You’re Traveling ...

    www.aol.com/lifestyle/1-nutrient-help-sleep...

    John Daly undergoes emergency hand surgery, says he'll 'be back playing in no time' Sports. NBC Universal. 3rd former Indiana University basketball player accuses team doctor of sex abuse.

  8. Luigi Mangione Plotted to 'Wack' an Insurance CEO for Weeks ...

    www.aol.com/luigi-mangione-plotted-wack...

    Weeks before allegedly shooting UnitedHealthcare CEO Brian Thompson, Luigi Mangione wrote that the company's investor conference was a perfect place to "wack" a top insurance executive, federal ...

  9. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    The device numbers are enumerated in ANSI/IEEE Standard C37.2 Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations. Many of these devices protect electrical systems and individual system components from damage when an unwanted event occurs such as an electrical fault .