Connecting inverter or inverter charger to starting batteries: 
| Wattage | Min/Max Fuse (amps) | 1-10 ft. (AWG) | 11-15 ft. (AWG) | 16-20 ft. (AWG |
|---|---|---|---|---|
| 350 | 35/50 | 8 | 6 | 6 |
| 400 | 40/60 | 8 | 6 | 4 |
| 600 | 60/90 | 6 | 4 | 2 |
| 700 | 70/100 | 6 | 4 | 2 |
| 800 | 80/120 | 4 | 2 | 2 |
| 1000 | 100/150 | 4 | 2 | 1 |
| 1200 | 120/180 | 2 | 1 | 2/0 |
| 1500 | 150/225 | 2 | 1/0 | 2/0 |
| 1600 | 160/240 | 2 | 1/0 | 2/0 |
| 1800 | 180/270 | 1/0 | 2/0 | 3/0 |
| 2000 | 200/300 | 1/0 | 2/0 | 3/0 |
| 2400 | 240/360 | 1/0 | 2/0 | 4/0 |
| 2500 | 250/375 | 1/0 | 3/0 | 4/0 |
| 3000 | 300/450 | 2/0 | 3/0 | NR |
| 3600 | 360/540 | 4/0 | 4/0 | NR |
Connecting starting batteries to auxiliary batteries:
| Alternator Output | 1-10 ft. | 11-15 ft. | 16-20 ft. |
|---|---|---|---|
| Amperes | SGX AWG | SGX AWG | SGX AWG |
| 100 | 4 | 2 | 1 |
| 140 | 2 | 1 | 1/0 |
| 150 | 2 | 1 | 2/0 |
| 200 | 1 | 2/0 | 3/0 |
| 230 | 1/0 | 2/0 | 4/0 |
| 250 | 1/0 | 3/0 | 4/0 |