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  2. American wire gauge - Wikipedia

    en.wikipedia.org/wiki/American_wire_gauge

    However, AWG is dissimilar to IEC 60228, the metric wire-size standard used in most parts of the world, based directly on the wire cross-section area (in square millimetres, mm 2). The AWG tables are for a single, solid and round conductor. The AWG of a stranded wire is determined by the cross-sectional area of the equivalent solid conductor.

  3. 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 ...

  4. Electrical wiring in North America - Wikipedia

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

    Lighting and general purpose receptacles are at 120 volts AC, with larger devices fed by three wire single-phase circuits at 240 volts. In commercial construction, three-phase circuits are often used. Common 3 phase configurations within a building are 208v/120 wye, 120/240 center tapped delta and 480v/277v wye. Lighting is usually fed by 277 V ...

  5. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    A wire or cable has a voltage (to neutral) rating and a maximum conductor surface temperature rating. The amount of current a cable or wire can safely carry depends on the installation conditions. The international standard wire sizes are given in the IEC 60228 standard of the International Electrotechnical Commission.

  6. Electrical code - Wikipedia

    en.wikipedia.org/wiki/Electrical_code

    120, 208, or 240 V. 277, or 480 V metallic brass 120, 208, or 240 V. 277, or 480 V metallic silver no insulation for isolated systems Flexible cable (e.g., extension, power, and lamp cords) 120 V metallic brass split-phase 240 V metallic silver CE Code (CSA C22.1) Canada [21] [h] for single-phase systems for three-phase systems no insulation

  7. National Electrical Code - Wikipedia

    en.wikipedia.org/wiki/National_Electrical_Code

    240 V receptacle faces. The 1999 Code required that new 120/240 volt receptacles, such as those for electric ranges and dryers, be grounded also, which necessitates a fourth slot in their faces. Changes in standards often create problems for new work in old buildings. A 120 volt combination AFCI/GFCI receptacle

  8. Best Buy broadly misses earnings estimates as consumers pull ...

    www.aol.com/finance/best-buy-expected-see...

    In the quarter, appliance and entertainment sales dropped 14.7% and 18.8%, respectively, compared to estimates of declines of 7.5% and 4%. Consumer electronics sales declined 5.8%.

  9. Standard wire gauge - Wikipedia

    en.wikipedia.org/wiki/Standard_wire_gauge

    A standard wire gauge. British Standard Wire Gauge (often abbreviated to Standard Wire Gauge or SWG) is a unit for denoting wire size given by BS 3737:1964 (now withdrawn). It is also known as the Imperial Wire Gauge or British Standard Gauge. Use of SWG sizes has fallen greatly in popularity, but they are still used as a measure of thickness ...

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