Underground feeder, or (UF) cable, is best for these situations, and you can usually size these ... is—so a 6-gauge wire will ...
Table 3.75: Table 3.75 provides 3-phase, 3-wire and 3-phase, 4-wire feeder sizes based on the rating of the overcurrent protective device. CIRCUIT SIZE SCHEDULE NOTES: S1. UNLESS OTHERWISE INDICATED, ...