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  2. American wire gauge - Wikipedia

    en.wikipedia.org/wiki/American_wire_gauge

    Wire sized 1 AWG is referred to as "one gauge" or "No. 1" wire; similarly, thinner sizes are pronounced "x gauge" or "No. x" wire, where x is the positive-integer AWG number. Consecutive AWG wire sizes thicker than No. 1 wire are designated by the number of zeros: No. 0, often written 1/0 and referred to as "one-aught" or "single-aught" wire

  3. Ampacity - Wikipedia

    en.wikipedia.org/wiki/Ampacity

    Ampacity is a portmanteau for ampere capacity, ... (copper or aluminum), the rated maximum application temperature, and the installation conditions. ... will normally ...

  4. Aluminum building wiring - Wikipedia

    en.wikipedia.org/wiki/Aluminum_building_wiring

    Also, the size of the aluminum wire needs to be larger compared to copper wire used for the same circuit due to the increased resistance of the aluminum alloys. For example, a 15 A branch circuit supplying standard lighting fixtures can be installed with either #14 AWG copper building wire or #12 AWG aluminum building wire according to the NEC.

  5. Skin effect - Wikipedia

    en.wikipedia.org/wiki/Skin_effect

    The AC current density J in a conductor decreases exponentially from its value at the surface J S according to the depth d from the surface, as follows: [4]: 362 = (+) / where is called the skin depth which is defined as the depth below the surface of the conductor at which the current density has fallen to 1/e (about 0.37) of J S.

  6. IEC 60228 - Wikipedia

    en.wikipedia.org/wiki/IEC_60228

    Comparison of SWG (red), AWG (blue) and IEC 60228 (black) wire gauge sizes from 0.03 to 200 mm² to scale on a 1 mm grid – in the SVG file, hover over a size to highlight it. In engineering applications, it is often most convenient to describe a wire in terms of its cross-section area, rather than its diameter, because the cross section is directly proportional to its strength and weight ...

  7. Standard wire gauge - Wikipedia

    en.wikipedia.org/wiki/Standard_wire_gauge

    No. 7/0, the largest size, is 0.50 in. (500 thou or 12.7 mm) dia., No. 1 is 0.30 in. (300 thou), and the smallest, No. 50, is 0.001 in. (1 thou or 25.4 µm). The system as a whole approximates an exponential curve, plotting diameter against gauge-number (each size is a approximately a constant multiple of the previous size). The weight per unit ...

  8. Aluminium-conductor steel-reinforced cable - Wikipedia

    en.wikipedia.org/wiki/Aluminium-conductor_steel...

    Aluminum conductor steel-reinforced cable (ACSR) is a type of high-capacity, high-strength stranded conductor typically used in overhead power lines. The outer strands are high-purity aluminium , chosen for its good conductivity, low weight, low cost, resistance to corrosion and decent mechanical stress resistance.

  9. SAE J1772 - Wikipedia

    en.wikipedia.org/wiki/SAE_J1772

    In the US, the definition of the ampacity (ampere capacity, or current capacity) is split for continuous and short term operation. [30] The SAE defines the ampacity value to be derived by a formula based on the 1 ms full cycle (of the 1 kHz signal) with the maximum continuous ampere rating being 0.6 A per 10 μs up to 850 μs (with the lowest ...

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