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  2. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Vintage push-button light switches. The push-button light switch has two buttons: one that closes the contacts and one that opens the contacts. Pushing the raised button opens or closes the contacts and pops out the previously depressed button so the process can be reversed. In the U.S., the buttons were commonly black; the "on" button ...

  3. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    v. t. e. Knob-and-tube wiring (sometimes abbreviated K&T) is an early standardized method of electrical wiring in buildings, in common use in North America from about 1880 to the 1930s. [ 1][ 2] It consisted of single-insulated copper conductors run within wall or ceiling cavities, passing through joist and stud drill-holes via protective ...

  4. Nissan Elgrand - Wikipedia

    en.wikipedia.org/wiki/Nissan_Elgrand

    Nissan Presage. The Nissan Elgrand ( Japanese: 日産・エルグランド, Hepburn: Nissan Erugurando) is a minivan manufactured by Nissan Shatai for Nissan since 1997, available in three generations, with model codes E50 (1997–2002), E51 (2002–2010), and E52 (2010–present). The E50 Elgrand was also configured and produced as a light ...

  5. Limit switch - Wikipedia

    en.wikipedia.org/wiki/Limit_switch

    A limit switch mounted on a moving part of a bridge. In electrical engineering, a limit switch is a switch operated by the motion of a machine part or the presence of an object. A limit switch can be used for controlling machinery as part of a control system, as a safety interlock, or as a counter enumerating objects passing a point. [1]

  6. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric ...

  7. DIN 72552 - Wikipedia

    en.wikipedia.org/wiki/DIN_72552

    3rd flasher indicator light K3, K4 L indicator lights left HL, L54, VL R indicator lights right HR, R54, VR L54 lights out, left SBL R54 lights out, right SBR AC generator; 51 DC at rectifiers: 51e as 51, with choke coil 59 AC out, rectifier in, light switch 51, 51-, 51a 59a charge, rotor out 59 64 generator control light Generator, voltage ...

  8. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices. A wiring diagram usually gives information about the relative position and arrangement of devices and terminals on the devices, to ...

  9. Trailer connectors in North America - Wikipedia

    en.wikipedia.org/wiki/Trailer_connectors_in...

    If you have a trailer with a lot of lights the diode and relay wiring is preferred, but if you have a trailer with a simple light arrangement it is usually sufficient to wire to 58L. In market there are many special converters [ 1 ] [ 2 ] [ 3 ] that solves the problem of connecting a car with European wiring to a trailer with North American wiring.