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How much current can a 12-gauge copper wire carry?

User Cooperia
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A 12-gauge wire can carry between 15 and 20 amps for normal electrical wires. When wiring chassis, 12-gauge wire can carry a maximum of 41 amps along the metal conductor. The conductive part of a 12-gauge wire is 0.0808 inch in diameter.
User Andreas Steffan
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