EngiRef / Wire Gauge
40 AWG
40 AWG copper conductor: 0.08 mm diameter, 0.005 mm² cross-section. DC resistance 3441 Ω per km at 20 °C. Free AWG wire gauge reference - current figures are…
Specification
- Gauge (AWG)
- 40
- Diameter (mm)
- 0.08
- Cross-sectional area (mm²)
- 0.005
- Resistance (Ω/km)
- 3441
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.