EngiRef / Wire Gauge
4 AWG
4 AWG copper conductor: 5.189 mm diameter, 21.15 mm² cross-section. DC resistance 0.8152 Ω per km at 20 °C. Free AWG wire gauge reference - current figures are…
Specification
- Gauge (AWG)
- 4
- Diameter (mm)
- 5.189
- Cross-sectional area (mm²)
- 21.15
- Resistance (Ω/km)
- 0.8152
- Chassis wiring current (A, indicative)
- 60
- Transmission current (A, indicative)
- 70
Current columns are indicative chart values only. They are not NEC 310.16 ampacities and carry no conductor temperature rating, insulation type, ambient correction or bundling adjustment - size conductors from NEC 310.16 or your local code.