What is American Wire Gage (AWG), and Why Does it
2016-9-29u2002·u2002Let's consider, say, the difference between a 24 and a 22 AWG cable. If we were buying 24 or 22 AWG wire for DC power, and wanted to know how much loss we'd see in a run, we'd be interested primarily in the cross-sectional area. A 24 AWG wire has a circular mil area of 404; a 22 AWG wire has a circular mil area of 640.4.
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