Compare · Voltage Drop Calculator
Two independent scenarios side by side.
Scenario A
Voltage drop (copper)
Voltage drop
4.76 V
3.97% · NEC recommends ≤3% on branch circuits
Voltage at load
115.24 V
Compliance
Acceptable (≤5%)
Use a thicker AWG to reduce drop
Scenario B
Voltage drop (copper)
Voltage drop
4.76 V
3.97% · NEC recommends ≤3% on branch circuits
Voltage at load
115.24 V
Compliance
Acceptable (≤5%)
Use a thicker AWG to reduce drop