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  2. Cable tray - Wikipedia

    en.wikipedia.org/wiki/Cable_tray

    Lighter cable trays are more appropriate in situations where a great number of small cables are used, such as for telephone or computer network cables. These trays may be made of wire mesh, called "cable basket", [ 2 ] or be designed in the form of a single central spine (rail) with ribs to support the cable on either side.

  3. Electrical busbar system - Wikipedia

    en.wikipedia.org/wiki/Electrical_busbar_system

    Enclosure comparison with normal wiring & with busbar system HRC Fuse switch disconnector and cylindrical fuse holders mounted on to a busbar. Electrical busbar systems [1] (sometimes simply referred to as busbar systems) are a modular approach to electrical wiring, where instead of a standard cable wiring to every single electrical device, the electrical devices are mounted onto an adapter ...

  4. Knob-and-tube wiring - Wikipedia

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

    The conduit methods were known to be of better quality, but cost significantly more than K&T. [2] In 1909, flexible armored cable cost about twice as much as K&T, and conduit cost about three times the price of K&T. [6] Knob and tube wiring persisted since it allowed owners to wire a building for electricity at lower cost.

  5. Cable management - Wikipedia

    en.wikipedia.org/wiki/Cable_management

    The IT industry needs data cables to be added, moved, or removed many times during the life of the installation. It is usual practice to install "fixed cables" between cabling closets or cabinets. These cables are contained in cable trays etc., and are terminated at each end onto patch panels in

  6. Electrical room - Wikipedia

    en.wikipedia.org/wiki/Electrical_room

    Walls and ceilings may have to support a heavy cable tray system or busbars. Additional ventilation or air conditioning may be needed, since electrical apparatus gives off heat but the temperature must not rise beyond the tolerance of equipment. Double doors may be installed to allow for maintenance of large equipment. [1]

  7. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    A cable tray can be used in stores and dwellings. Cable trays are used in industrial areas where many insulated cables are run together. Individual cables can exit the tray at any point, simplifying the wiring installation and reducing the labour cost for installing new cables.

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