18 AWG Wire Diameter and Area
18 AWG wire has a diameter of approximately 1.024 mm (0.0403 inches).
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18 AWG is the most common wire gauge for electronics, thermostat wiring, and low-voltage control wiring.
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.