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Electricians

Aluminum vs copper for a 100 ft subpanel feeder

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  • July 31, 2026 at 1:34 am #273
    zwickdemarcus@gmail.com
    Keymaster

    For a 100 ft feeder to a detached subpanel, aluminum saves real money but you have to upsize and treat the terminations right. Copper is simpler but the price hurts. What are you running for that distance, and any callbacks from AL terminations?

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