checking amp loading of wires , # 10 wire 15 amps, #12 wire 9.3 amps, #14 wire 5.9 amps, #16 wire 3.7 amps #18 wire 2.3 amps, #20 wire 1.5 amps, #26 wire .36 amps,
these measures are under load at 12 volts, for steady flow,. now if you use metric wire measures the numbers are thickness of wires in MM.s I don't know these! only know SAE numbers,.