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There is no single conductor that will handle 1500 amps. For ease of handling, the conductors should be installed in parallel, triple or quad runs.

For a parallel run, 2 - 2000 MCM with an insulation factor of 90 degrees C will give you a total ampacity of 1550 amps.

For a triple run, 3 - 750 MCM with an insulation factor of 90 degrees C will give you a total ampacity of 1500 amps.

For a quad run, 4 - 500 with an insulation factor of 90 degrees C will give you a total ampacity of 1580 amps.

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βˆ™ 11y ago
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βˆ™ 12y ago

1/0 gauge intrance wire.

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Q: What size of wire is needed for 1500 amps?
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