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Wire gauge is a measurement of wire diameter. This determines the amount of electric current the wire can safely carry, as well as its electrical resistance and weight . Types of wire gauge
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 chain of traceability allows any measurement to be referenced to higher levels of measurements back to the original definition of the unit. [ 2 ] Traceability is obtained directly through calibration , establishing the relationship between an indication on a standard traceable measuring instrument and the value of the comparator (or ...
Standard gauge is defined both in metric and in imperial units. It is also the best-known gauge worldwide; 55% of the world uses this track. In 2020, China’s rail network is standard gauge, with around 79,685 km (49,514 mi) of line. [92] 1,440 mm 4 ft 8 + 11 ⁄ 16 in: Switzerland
AWG is colloquially referred to as gauge and the zeros in thick wire sizes are referred to as aught / ˈ ɔː t /. 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 ...
Gauge block, a metal or ceramic block of precisely known dimension, used in measuring; Sight glass, also known as a water gauge, for measuring liquid level heights in storage tanks and pressure vessels; Boost gauge, a gauge used in conjunction with turbo-super-chargers; Pressure gauge or vacuum gauge, see pressure measurement
The chain is still used in agriculture: measuring wheels with a circumference of 0.1 chain (diameter ≈ 2.1 ft or 64 cm) are still readily available in Canada and the United States. For a rectangular tract, multiplying the number of turns of a chain wheel for each of two adjacent sides and dividing by 1,000 gives the area in acres.
Hardened and ground plug gauge Replaceable thread and plug gauges. These gauges are referred to as plug gauges; they are used in the manner of a plug.They are generally assembled from standard parts, where the gauge portion is interchangeable with other gauge pieces (obtained from a set of pin type gauge blocks) and a body that uses the collet principle to hold the gauges firmly.