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4 AWG copper or 2 AWG aluminum.

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12y ago
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4mo ago

A 90 amp 220 volt circuit would typically require a wire size of at least 4 AWG (American Wire Gauge) for copper conductors or 2 AWG for aluminum conductors to safely handle the current without overheating. It is important to consult with a qualified electrician to ensure proper wiring size and installation according to local electrical codes.

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Q: What size in a 90 amp 220 volt circuit?
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