Gauge | Resistance | Voltage drop @200 amps | Percentage loss (of 12.6V) | Percentage loss (of 10V) | Size recommended for distance** |
0 ga | .00099 ohm | 0.2 volts | 1.6% | 2% | 12ft |
1* | .00124 | 0.248 | 2% | 2.5% | 10ft |
2 | .00156 | 0.312 | 2.5% | 3.1% | 8.5ft |
4 | .00249 | 0.5 | 4% | 5% | 6 ft |
6 | .00395 | 0.79 | 6.25% | 8% | fuse link only |