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  2. NEMA contact ratings - Wikipedia

    en.wikipedia.org/wiki/NEMA_contact_ratings

    NEMA contact ratings are how much current at a rated voltage a relay or other pilot device can switch. The current rating of smaller NEMA contactors or their auxiliaries are defined by NEMA ICS 5: Industrial Control and Systems, Control Circuit and Pilot Devices[1] standard. The nomenclature is a letter followed by a three-digit number, the ...

  3. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...

  4. Contactor - Wikipedia

    en.wikipedia.org/wiki/Contactor

    A contactor is an electrically controlled switch used for switching an electrical power circuit. [1] A contactor is typically controlled by a circuit which has a much lower power level than the switched circuit, such as a 24-volt coil electromagnet controlling a 230-volt motor switch. Unlike general-purpose relays, contactors are designed to be ...

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    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!

  6. What is Friday the 13th and why is it considered unlucky ...

    www.aol.com/friday-13th-why-considered-unlucky...

    Based on the story of the Last Supper of Jesus, 13 people were seated at the table and it happened on a Thursday. He was arrested that evening, and crucified the next day, on a Friday. "So 13 is ...

  7. SAE J1772 - Wikipedia

    en.wikipedia.org/wiki/SAE_J1772

    SAE J1772, also known as a J plug or Type 1 connector after its international standard, IEC 62196 Type 1, is a North American standard for electrical connectors for electric vehicles maintained by SAE International under the formal title "SAE Surface Vehicle Recommended Practice J1772, SAE Electric Vehicle Conductive Charge Coupler".

  8. Evektor SportStar - Wikipedia

    en.wikipedia.org/wiki/Evektor_SportStar

    The SportStar and EuroStar are a family of a two-seat, light sport aircraft (LSA), manufactured by Evektor-Aerotechnik of Czechia and powered by a Rotax 912ULS 100 horsepower (75 kW) engine. [1][2] The SportStar was the first special light-sport aircraft (S-LSA) approved by the US Federal Aviation Administration (FAA), and was named "S-LSA ...

  9. Fuse (electrical) - Wikipedia

    en.wikipedia.org/wiki/Fuse_(electrical)

    Fuse (electrical) A miniature time-delay 250 V fuse that will interrupt a 0.3 A current at after 100 s, or a 15 A current in 0.1 s. 32 mm (1 1/4") long. In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal ...