Calculating voltage drop
In determining which size wire to use, what load do we enter when calculating voltage drop when adding a 50 amp RV site when the electric service is a 240 volt, 50 amp breaker and RVs technically run ...
Forum Discussion
Enter this and then scroll down:
https://www.southwire.com/ca/en-ca/calculator-vdrop
for 50 feet and 50 amps:
55
Amps Rated ampacity of selected conductor
0.4662
Ohms Resistance (Ohms per 1000 feet)
0.0510
Ohms Reactance (Ohms per 1000 feet)
0.9
Power Factor
3.60
Maximum allowable voltage drop at 3%
2.209
Actual voltage drop loss at 1.84% for the circuit
https://www.southwire.com/ca/en-ca/calculator-vdrop
for 50 feet and 50 amps:
55
Amps Rated ampacity of selected conductor
0.4662
Ohms Resistance (Ohms per 1000 feet)
0.0510
Ohms Reactance (Ohms per 1000 feet)
0.9
Power Factor
3.60
Maximum allowable voltage drop at 3%
2.209
Actual voltage drop loss at 1.84% for the circuit
