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Amperes is not constant like voltage. You can have .01 amps or 1200amps on a wire. Basic sizes of cable and their amp limits (for residential usage): 14ga. 15amps, 12ga. 20amps, 10ga 30 amps. It doesn't matter if its on 110V or 220V

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Q: What are the amperage ratings for 240V wire?
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