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  2. Multiway switching - Wikipedia

    en.wikipedia.org/wiki/Multiway_switching

    In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.

  3. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.

  4. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    An automotive wiring diagram, showing useful information such as crimp connection locations and wire colors. These details may not be so easily found on a more schematic drawing. 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 ...

  5. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.

  6. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]

  7. The dark fandom behind healthcare CEO murder suspect - AOL

    www.aol.com/dark-fandom-behind-healthcare-ceo...

    An analysis of a sample of comments carried out by market research firm OneCliq found the vast majority - four-fifths - contained criticism of the healthcare system.

  8. Start 'Em, Sit 'Em wide receivers: Week 15 fantasy football - AOL

    www.aol.com/start-em-sit-em-wide-103153566.html

    With the fantasy playoffs starting and the injuries to wide receivers this season, here are start 'em sit 'em wide receivers to consider in Week 15:

  9. Airlines seen making $1 trillion for the first time in history

    www.aol.com/airlines-seen-making-1-trillion...

    The global airline industry will likely rake in more than $1 trillion in revenue next year, as passenger numbers look set to hit an all-time high of 5 billion, the International Air Transport ...