Wire Gauge Reference

American Wire Gauge (AWG) sizes commonly used in automotive applications. Lower gauge numbers = thicker wire = higher current capacity.

AWG GaugeDiameter (in)Diameter (mm)
0000 (4/0)0.460011.684
000 (3/0)0.409610.404
00 (2/0)0.36489.266
0 (1/0)0.32498.252
10.28937.348
20.25766.544

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