Wiring Diagram Table - AMERICAN WIRE GAUGE (AWG) FOR 12-VOLT CIRCUITS

TOTAL
AMPS
TOTAL LENGTH OF WIRE FROM BATTERY TO COMPRESSOR
5 Ft. 10 Ft. 15 Ft. 20 Ft.
5 Amps 16 AWG 16 AWG 16 AWG 14 AWG
10 Amps 16 AWG 14 AWG 12 AWG 10 AWG
15 Amps 16 AWG 12 AWG 10 AWG 10 AWG
20 Amps 14 AWG 10 AWG 10 AWG 8 AWG
25 Amps 14 AWG 10 AWG 8 AWG 6 AWG
30 Amps 12 AWG 10 AWG 8 AWG 6 AWG
40 Amps 12 AWG 8 AWG 6 AWG 6 AWG
50 Amps 10 AWG 6 AWG 6 AWG 4 AWG
60 Amps 10 AWG 6 AWG 4 AWG 4 AWG