AWG - American Wire Gauge and Circular Mils

American Wire Gauge - AWG - and circular mils

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American Wire Gauge (AWG) is a U.S. standard set of wire conductor sizes. The "gauge" is related to the diameter of the wire.

The AWG standard includes copper, aluminum and other wire materials. Typical household copper wiring is AWG number 12 or 14. Telephone wire is usually 22, 24, or 26. The higher the gauge number, the smaller the diameter and the thinner the wire.

The Circular Mil - CM - is a unit of area used especially when denoting the cross-sectional size of a wire or cable.

American Wire Gauge
(AWG)		 Diameter Mil Circular Mil
(CM)		 Area (mm2) Diameter (mm)
0000 460 211,592 107 11.7
000 410 167,800 85.0 10.4
00 365 133,072 67.4 9.27
0 325 105,531 53.5 8.25
1 289 83,690 42.4 7.35
2 258 66,369 33.6 6.54
3 229 52,633 26.7 5.83
4 204 41,740 21.2 5.19
5 182 33,101 16.8 4.62
6 162 26,251 13.3 4.12
7 144 20,818 10.5 3.67
8 128 16,509 8.37 3.26
9 114 13,092 6.63 2.91
10 102 10,383 5.26 2.59
11 90.7 8,234 4.17 2.31
12 80.8 6,530 3.31 2.05
13 72.0 5,178 2.62 1.83
14 64.1 4,107 2.08 1.63
15 57.1 3,257 1.65 1.45
16 50.8 2,583 1.31 1.29
17 45.3 2,048 1.04 1.15
20 32.0 1,022 0.518 0.812
21 28.5 810.1 0.410 0.723
22 25.3 642.4 0.326 0.644
23 22.6 509.5 0.258 0.573
24 20.1 404.0 0.205 0.511
25 17.9 320.4 0.162 0.455

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  • Electrical - Amps and electrical wiring, AWG - wire gauge, electrical formulas, motors and units

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