AWG 4 Wire Diameter and Properties

4 AWG wire has a diameter of approximately 5.189 mm (0.2043 in) and can carry up to 85 A.

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Look up the diameter and current rating of heavy 4 AWG wire used in large EV chargers and sub-panel feeds.

Frequently asked questions

What is AWG 14 wire diameter?: AWG 14 wire has a diameter of approximately 1.628 mm and a cross-sectional area of 2.08 mm². It is commonly used for 15-amp household circuits.