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The resistance of copper wire is approximately 1 ohms / 1000 feet for 10 AWG, 10 ohms / 1000 feet for 20 AWG, 100 ohms / 1000 feet for 30 AWG, and so on. [ 5 ] : 27 Because aluminum wire has a conductivity of approximately 61% of copper, an aluminum wire has nearly the same resistance as a copper wire that is two sizes ...
Early speaker cable was typically stranded copper wire, insulated with cloth tape, waxed paper or rubber. ... 15 ft (4.5 m) 20 ft (6 m) 18 AWG (0.823 mm 2) 8 ft (2.4 ...
As in the mid-1970s and early 1980s, TARA Labs had experimented with solid core conductors of different diameters. It was hypothesized that an 'optimum diameter' of 18 AWG (American Wire Gage) or 1 millimeter was ideal for audio frequencies because there was minimal high-frequency attenuation caused by the principles known as the Skin Effect. [2]
Although the construction of a portable cord varies depending on the type, a standard cord has at least two stranded copper conductors sized between #18 and #2 American wire gauge (AWG). The copper stranding, insulation, and outer jacket directly influence the physical properties of the cord and its permitted uses. [1] [2] [3]
The wire is usually stranded copper wire, usually either 0.32, 0.20, or 0.13 mm 2 (22, 24, or 26 AWG). Finer and coarser pitch cables are also available. For instance, the high-speed ATA interface cable used for computer hard disk interfaces ULTRA-ATA has 0.025-inch (0.64-mm) pitch.
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 ...
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