Stranded 20 Gauge Wire

  суббота 18 апреля
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Alibaba.com offers 182 24 gauge stranded wire products. About 89% of these are electrical wires, 1% are steel wire, and 1% are copper wire. A wide variety of 24 gauge stranded wire options are available to you, such as insulated, galvanized.

'AWG' redirects here. For other uses, see.wire gauge ( AWG), also known as the wire gauge, is a system used since 1857, predominantly in North America, for the diameters of round, solid, nonferrous, wire. Dimensions of the wires are given in standard B 258. The cross-sectional area of each gauge is an important factor for determining its.Increasing gauge numbers denote decreasing wire diameters, which is similar to many other gauging systems such as British (SWG), but unlike, the wire-size standard used in most parts of the world. This gauge system originated in the number of used to produce a given gauge of wire. Very fine wire (for example, 30 gauge) required more passes through the than 0 gauge wire did.

Manufacturers of wire formerly had proprietary wire gauge systems; the development of standardized wire gauges rationalized selection of wire for a particular purpose.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. Because there are also small gaps between the strands, a stranded wire will always have a slightly larger overall diameter than a solid wire with the same AWG.AWG is also commonly used to specify (especially smaller sizes), even when the material is not metallic.

or, equivalently, /km. or, equivalently, Ω/kft. ^ Exactly, by definitionIn the North American electrical industry, conductors larger than 4/0 AWG are generally identified by the area in thousands of (kcmil), where 1 kcmil = 0.5067 mm 2. The next wire size larger than 4/0 has a cross section of 250 kcmil. A circular mil is the area of a wire one in diameter. One million circular mils is the area of a circle with 1000 mil (1 inch) diameter. An older abbreviation for one thousand circular mils is MCM.Stranded wire AWG sizes AWG gauges are also used to describe stranded wire.

The AWG gauge of a stranded wire represents the sum of the cross-sectional areas of the individual strands; the gaps between strands are not counted. When made with circular strands, thus requiring the overall bundle diameter to be about 13% larger than a solid wire of equal gauge.Stranded wires are specified with three numbers, the overall AWG size, the number of strands, and the AWG size of a strand. The number of strands and the AWG of a strand are separated by a slash.

For example, a 22 AWG 7/30 stranded wire is a 22 AWG wire made from seven strands of 30 AWG wire.As indicated in the Formulas and Rules of Thumb sections above, differences in AWG translate directly into ratios of diameter or area. This property can be employed to easily find the AWG of a stranded bundle by measuring the diameter and count of its strands. (This only applies to bundles with circular strands of identical size.) To find the AWG of 7-strand wire with equal strands, subtract 8.4 from the AWG of a strand. Similarly, for 19-strand subtract 12.7, and for 37 subtract 15.6. See the Mathcad worksheet illustration of this straightforward application of the formula. Main article:Alternative ways are commonly used in the electrical industry to specify wire sizes as AWG.

4 AWG (proper). #4 (the is used as an abbreviation for “number”). No. 4 ( is used as an abbreviation for “number”). No. (abbreviation for “gauge”). 000 AWG (proper for large sizes).

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20 gauge single strand wire

3/0 (common for large sizes) Pronounced ' three-aught'. 3/0 AWG. #000The industry also bundles for use in distribution in homes and businesses, identifying a bundle's wire size followed by the number of wires in the bundle. #14/2 (also written “14-2”) is a nonmetallic (NM) sheathed bundle (-B) of three solid 14 AWG wires having a bare ground in the middle of two insulated conductors.

The insulation surrounding the two conductors is white and black, for neutral and “hot” (electrified) respectively. This sheath for 14 AWG cable is usually white when used for NM-B wiring intended for electrical distribution in a dry location, although older wire may be black. #14 wire is used mainly in circuits with a 15-ampere. #12/2 is a nonmetallic sheathed bundle of three solid 12 AWG wires having a bare ground in the middle of two insulated conductors in a flat-shaped NM-B yellow-colored sheath. The color is a North American industry standard for cables made since 2003, and aids identification. It is always used for countertop appliance outlets in kitchens, and often for outlets in bathrooms (for high-wattage ) and other rooms.

#10/ 3 with ground (also written “10-3 w/gnd”) is a nonmetallic sheathed bundle of four solid 10 AWG wires having a bare ground and three insulated conductors twisted into a round-shaped NM-B orange-colored sheath. The insulated conductors are black, white, and red, usually supplying both 120 and 240 volts for.

Archived from on 22 July 2014. Retrieved 22 March 2015. (subscription required). The logarithm to the base 92 can be computed using any other logarithm, such as or, using log 92 x = (log x)/(log 92). ASTM Standard B 258-02, page 4. The result is roughly 2.0050, or one-quarter of one percent higher than 2. (Technical report).

Circular of the Bureau of Standards No.31 (3d ed.). United States Department of Commerce. October 1, 1914.Figure for solid copper wire at 68, (Not in accordance to NEC Codebook 2014 Ch. 9, Table 8) computed based on 100% IACS conductivity of 58.0 M/m, which agrees with multiple sources:. Mark Lund, PowerStream Inc., retrieved 2008-05-02 (although the ft/m conversion seems slightly erroneous).

Master Catalog, 2006, although data from there for gauges 35 and 37–40 seems obviously wrong.High-purity can achieve up to 101.5% IACS conductivity; e.g., the lists slightly lower resistances than this table. 2008-10-15 at the. Table 310.15(B)(16) (formerly Table 310.16) page 70-161, 'Allowable ampacities of insulated conductors rated 0 through 2000 volts, 60°C through 90°C, not more than three current-carrying conductors in raceway, cable, or earth (directly buried) based on ambient temperature of 30°C.' Extracts from do not represent the full position of and the original complete Code must be consulted. In particular, the maximum permissible devices may set a lower limit.

Reference Data for Engineers: Radio, Electronics, Computer and Communications 7th Ed Table 11 'Recommended Current Ratings (Continuous Duty) for electronic equipment and chassis wiring' page 49-16.Computed using equations from H. Wayne Beaty; Donald G.

(2007), The Standard Handbook for Electrical Engineers (15th ed.), McGraw Hill, pp. 4–25,. Douglas Brooks (December 1998), (PDF), Printed Circuit Design, 15 (12): 53. W. Preece (1883), Proceedings of the Royal Society (36): 464–471. W.

Preece (1887), Proceedings of the Royal Society, II (43): 280–295. W. Preece (1888), Proceedings of the Royal Society, III (44): 109–111. ^ Douglas G, Brooks; Johannes Adam (29 June 2015), Printed Circuit Design and Fab.

E. Stauffacher (June 1928), (PDF), General Electric Review, 31 (6)Further reading. and H. Wayne Beaty, Standard Handbook for Electrical Engineers, Eleventh Edition,McGraw-Hill, New York, 1978, page 4-18 and table 4-11. How to use a.