8 AWG specifications
| Property | Value |
|---|---|
| Area | 8.37 mm² |
| Circular mils | 16,510 |
| Diameter (solid) | 3.26 mm / 0.1285 in |
| Resistance, copper, 20 °C | 2.061 Ω/km · 0.628 Ω/1000 ft |
| Ampacity, copper 75°C (NEC 310.16) | 50 A |
| Nearest metric size | 10 mm² |
Diameter from the AWG formula d = 0.127 × 92^((36 − n) ÷ 39) mm. Stranded wire has a slightly larger outside diameter.
Frequently asked questions
What is 8 AWG in mm²?
8.37 mm².
What metric cable replaces 8 AWG?
10 mm², the next standard size up.