Electrical Voltage Drop Calculator
Calculate the voltage drop over long electrical wire runs to prevent compressor relay trip-outs and motor overheating.
V
110600
meters
1500
Amps
1300
Drop Diagnostics
Conductor Resistivity (ρ)
0.01780 Ω·mm²/m
Cable Resistance (R)
0.2225 Ω
Calculated Voltage Drop
7.12 V
Voltage Drop Percentage
3.10%
Terminal Voltage at Equipment
222.9 V
NEC Compliance (< 3%):FAIL (Cable too thin)
Electrical Hazard Tip: Running a compressor at sub-voltage triggers high running amps, which burns out starter capacitors, damages windings, and trips internal overload sensors.