Electrical & Mechanical Division
Electrical & MEP Calculators
NEC-compliant calculators for conductor voltage drop, AWG wire gauge selection, and raceway conduit fill ratios.
Voltage Drop & Wire Gauge Sizer
50K Searches/moCalculate voltage drop across distances and find minimum compliant AWG wire size strictly following NEC 3% limits.
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Conduit Fill & Wire Sizing Calculator
5K Searches/moCalculate minimum EMT/PVC conduit size and verify NEC percentage fill compliance for THHN conductors (40% rule).
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