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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.
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. The first attempt to adopt a geometrical system was made by Messrs Brown & Sharpe in 1855.
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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 ...
A table of the gauge numbers and wire diameters is shown below. [1] [2] The basis of the system is the thou (or mil in US English), or 0.001 in. Sizes are specified as wire diameters, stated in thou and tenths of a thou (mils and tenths). The wire diameter diminishes with increasing size number.
Usually the wire will require more than one draw, through successively smaller dies, to reach the desired size. The American wire gauge scale is based on this. This can be done on a small scale with a draw plate, or on a large commercial scale using automated machinery. [1] [2] The process of wire drawing changes material properties due to cold ...
Square mil; IEC 60228, the metric wire-size standard used in most parts of the world. American Wire Gauge (AWG), used primarily in the US and Canada; Standard Wire Gauge (SWG), the British imperial standard BS3737, superseded by the metric. Stubs Iron Wire Gauge; Jewelry wire gauge; Body jewelry sizes; Electrical wiring
Some jewelry may use the significantly different Standard Wire Gauge (SWG) scale instead, particularly jewelry from Canada or the United Kingdom where the SWG scale is used. [2] Both AWG and SWG express sizes as a gauge, but the numbers are different. For example, AWG 12g is 2.1 mm, but SWG 12g is 2.6 mm. AWG 8g happens to be the same as SWG 10g.