American Wire Gauge Chart and AWG Electrical Current Explore further
2021-4-23u2002·u2002For the 00, 000, 0000 etc. gauges you use -1, -2, -3, which makes more sense mathematically than 'double nought.' This means that in American wire gage every 6 gauge decrease gives a doubling of the wire diameter, and every 3 gauge decrease doubles the wire cross sectional area. Similar to dB in signal and power levels.
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