Voltage Drop: 20A at 200 Feet with 8 AWG Wire
Very long run to barn or distant outbuilding requiring significant wire upsizing.
Results
Voltage Drop6.22V
Voltage Drop %5.19%
Voltage at Load113.8V
StatusFAIL (exceeds 3%)
Recommended Wire250 AWG
Need to adjust these values? Use the full calculator:
Open Full CalculatorRelated Calculations
Voltage Drop for 15A Circuit at 25 Feet with 14 AWG
Calculate voltage drop for a typical 15-amp lighting circuit using 14 AWG copper wire over a short 25-foot run.
Voltage Drop for 15A Circuit at 50 Feet with 14 AWG
Check voltage drop compliance for a 15-amp circuit with 14 AWG copper wire over 50 feet.
Voltage Drop for 20A Circuit at 50 Feet with 12 AWG
Calculate voltage drop for a 20-amp receptacle circuit using 12 AWG copper wire over 50 feet.
Voltage Drop for 30A Circuit at 50 Feet with 10 AWG
Voltage drop calculation for a 30-amp circuit with 10 AWG copper wire over 50 feet.
Voltage Drop for 20A Circuit at 25 Feet with 12 AWG
Short run voltage drop check for 20-amp circuit with 12 AWG copper wire.
Voltage Drop for 20A Circuit at 75 Feet with 12 AWG
Medium-distance voltage drop calculation for 20-amp circuit to garage or workshop.