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  2. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    For instance, instead of 14 AWG (American wire gauge) copper wire, aluminium wiring would need to be 12 AWG on a typical 15 ampere lighting circuit, though local building codes vary. Solid aluminium conductors were originally made in the 1960s from a utility-grade aluminium alloy that had undesirable properties for a building wire, and were ...

  3. Ground and neutral - Wikipedia

    en.wikipedia.org/wiki/Ground_and_neutral

    A shorting bar connecting ground and neutral in Swiss industrial building (outlined in red). A hunk of copper is visible that is designed to be easily connected or disconnected from its place between two screws, rated for 600 A (as stamped on it).

  4. Electrical wiring in North America - Wikipedia

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

    NEC 2008 400.22(f) allows surface marking with ridged, grooves or white stripes on the surface of lamp cord. With transparent cord the hot wire is copper colored, and the neutral is silver colored. Grounding wire of circuit may be bare or identified insulated wire of green or green having yellow stripes. All metallic systems in a building are ...

  5. Earthing system - Wikipedia

    en.wikipedia.org/wiki/Earthing_system

    In Argentina, France (TT) and Australia (TN-C-S), the customers must provide their own ground connections. Appliances in Japan must comply with PSE law, and building wiring uses TT earthing in most installations. In Australia, the multiple earthed neutral (MEN) earthing system is used and is described in Section 5 of AS/NZS 3000.

  6. Ground (electricity) - Wikipedia

    en.wikipedia.org/wiki/Ground_(electricity)

    [12] [11] [14] [15] AWG 8 to AWG 10 soft-drawn copper wire is typically used, buried 4–10 inches deep. [14] For AM broadcast band antennas this requires a circular land area extending from the mast 47–136 meters (154–446 ft). This is usually planted with grass, which is kept mowed short, as tall grass can increase power loss in certain ...

  7. Copper conductor - Wikipedia

    en.wikipedia.org/wiki/Copper_conductor

    An example of a copper alloy conductor is cadmium copper wire, which is used for railroad electrification in North America. [5] In Britain the BPO (later Post Office Telecommunications ) used cadmium copper aerial lines with 1% cadmium for extra strength; for local lines 40 lb/mile (1.3 mm dia) and for toll lines 70 lb/mile (1.7 mm dia).

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  9. Copper-clad steel - Wikipedia

    en.wikipedia.org/wiki/Copper-clad_steel

    Copper-clad steel (CCS), also known as copper-covered steel or the trademarked name Copperweld is a bi-metallic product, mainly used in the wire industry that combines the high mechanical strength of steel with the conductivity and corrosion resistance of copper. It is mainly used for grounding purposes, line tracing to locate underground ...

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