### Voltage Drop - Adams ElectricExplore further

2020-9-3u2002·u2002Voltage Drop 5 Answer: First, calculate the total voltage drop allowed in the circuit. This is done by (240 volts x 2%) or 4.8 Voltage Drop. Then use the single-phase formula for circular mils where: K = 12.9 ohms-cmil/ft for copper; I = 40 amps; L = 500 ft.; and voltage drop =

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