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HomeConstructionWire Ampacity Calculator

Construction

WireAmpacityCalculator

Free online wire ampacity calculator. Enter wire gauge and insulation to get max current. Formula: NEC ampacity tables.

Wire Ampacity Calculator

Wire gauge

Wire gauge is required

insulation

insulation is required

temp

temp is required

Enter the values above to see your result.

Free online wire ampacity calculator. Enter wire gauge and insulation to get max current. Formula: NEC ampacity tables.

Formula

NEC ampacity tables

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