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  2. Electrical conduit - Wikipedia

    en.wikipedia.org/wiki/Electrical_conduit

    Electrical conduit and bus duct in a building at Texaco Nanticoke refinery. An electrical conduit is a tube used to protect and route electrical wiring in a building or structure. Electrical conduit may be made of metal, plastic, fiber, or fired clay. Most conduit is rigid, but flexible conduit is used for some purposes.

  3. Aluminum building wiring - Wikipedia

    en.wikipedia.org/wiki/Aluminum_building_wiring

    Aluminum building wiring. Aluminum building wiring is a type of electrical wiring for residential construction or houses that uses aluminum electrical conductors. Aluminum provides a better conductivity-to-weight ratio than copper, and therefore is also used for wiring power grids, including overhead power transmission lines and local power ...

  4. Utility pole - Wikipedia

    en.wikipedia.org/wiki/Utility_pole

    A pair of shoes can be seen hanging from the wires (center-left, far right) A utility pole is a column or post, usually made out of wood or aluminum alloy, [1] used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and street lights.

  5. Aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/Aluminium_alloy

    Aluminium alloy. An aluminium alloy ( UK / IUPAC) or aluminum alloy ( NA; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon, tin, nickel and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both ...

  6. Aluminium - Wikipedia

    en.wikipedia.org/wiki/Aluminium

    Aluminium ( Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.

  7. Junction box - Wikipedia

    en.wikipedia.org/wiki/Junction_box

    Distribution board. Consumer unit. Electrical switch. Earthing systems. v. t. e. An electrical junction box (also known as a " jbox ") is an enclosure housing electrical connections. [1] Junction boxes protect the electrical connections from the weather, as well as protecting people from accidental electric shocks.

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