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100 Amp Wire Size Calculator

Calculate the recommended AWG wire size for 100 amp circuits. Considers current, voltage, and wire length with voltage drop analysis.

Local processing
Recommended: AWG 3 (copper, 75°C)
Power: 10,000 W
Est. voltage drop: 783.8%
⚠ Voltage drop exceeds 3%, consider thicker wire or shorter run

How to Use

Enter your input above. The result updates automatically. Use the copy button to copy the result.

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FAQ

Is this 100 Amp Wire Size Calculator free?

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