AWG 18 Wire Diameter and Properties

18 AWG wire has a diameter of approximately 1.024 mm (0.0403 in) and is widely used in lamp cords and low-voltage lighting.

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Convert 18 AWG to mm and learn about its typical applications in lamp cords, extension cords, and speaker wire.

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.