EngiRef / Wire Gauge

30 AWG

30 AWG copper conductor: 0.255 mm diameter, 0.051 mm² cross-section. DC resistance 338.6 Ω per km at 20 °C. Free AWG wire gauge reference - current figures are…

Specification

Gauge (AWG)
30
Diameter (mm)
0.255
Cross-sectional area (mm²)
0.051
Resistance (Ω/km)
338.6
Transmission current (A, indicative)
0.14

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.