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This is a voltage drop question. To answer this question a voltage has to be stated.

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13y ago
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5mo ago

For a 25 amp circuit over 420 feet, you would typically need a 10 gauge wire to ensure minimal voltage drop and proper safety. It's always recommended to consult with a qualified electrician to determine the best wire size for your specific situation.

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Q: What size wire for 25 amp for 420 feet?
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