Wire Size Calculator

Look up minimum AWG wire gauge for a given load per NEC Table 310.16. Includes voltage drop calculation.

Load current (A)

Circuit load in amperes

One-way distance (ft)

From panel to load (round trip is doubled automatically)

System voltage

Conductor material

Recommended AWG

14 AWG

Minimum gauge per NEC Table 310.16 (copper, 75 deg C)

Voltage Drop6.28 V (5.23%)

Exceeds NEC 5% maximum

Reference: NEC Table 310.16 (ampacity) • NEC 210.19(A) FPN 4 (3% branch circuit max, 5% total)

Put your calculations to work.