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  2. 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 ...

  3. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Shown here will be fastened to this recessed, non-metallic box, then a cover plate is installed. This "double gang" (two unit) installation uses non-metallic-sheathed cable and twist-on wire connectors. In electrical wiring, a light switch is a switch most commonly used to operate electric lights, permanently connected equipment, or electrical ...

  4. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    An outlet is defined by the NEC as "a point in the wiring system at which current is taken to utilization equipment". [1] This definition includes receptacles, lighting, motors, etc. Ordinary switches control but do not consume electricity, and therefore are not defined as outlets in this sense.

  5. Knob-and-tube wiring - Wikipedia

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

    Other ceramic pieces would typically be used as a junction point between the wiring system proper, and the more flexible cloth-clad wiring found in light fixtures or other permanent, hard-wired devices. When a generic power outlet was desired, the wiring could run directly into the junction box through a tube of protective loom and a ceramic ...

  6. Electrical outlet tester - Wikipedia

    en.wikipedia.org/wiki/Electrical_outlet_tester

    A receptacle tester being used to check for some types of improper wiring of an outlet. For this particular tester, proper wiring is indicated by the two yellow lights. The outlet tester checks that each contact in the outlet appears to be connected to the correct wire in the building's electrical wiring. It can identify several common wiring ...

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  8. 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.

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