Service entrance, large main panels
| Diameter | 8.2515 mm (0.324861") |
| Area | 53.4751 mm² |
| Resistance at 20°C | 0.3224 Ω/km |
| Weight | 479.137 kg/km |
| Ampacity (75°C) | 125 A |
Important: For long wire runs, you may need to upsize the wire to compensate for voltage drop. NEC recommends keeping voltage drop under 3% for branch circuits. Use our voltage drop calculator to check.