Voltage Drop Calculator NEC Ch.9 Table 8

Check voltage drop or find max distance for any wire run. For conductor sizing, ampacity, and derating, use the Wire Size Calculator.

System Voltage

Circuit Type

Load (Amps)

Conductor Material

OCPD / Breaker Size 250.122

Required for EGC sizing per NEC 250.122

Wire Size

One-Way Distance (ft)

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