Construction Monkey

Feeder Calculation

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Electrical Feeder Calculator

Need to get the code required feeder for a specific ampacity and circuit requirements?

Enter the information below to select the circuit specifications and get your feeder calculated automatically.

Enter Feeder Information

Electrical Load Information

Amps

Wire Information

Neutral Information

Current Carrying Neutral:
NEC Code

Ground Information

NEC Code

Conduit Information

Calculation Results

Enter information and click on the "Calculate" button to get the results.

Voltage Drop Information1

Maximum Length5
2% Voltage Drop
3% Voltage Drop
5% Voltage Drop

Notes:

1Power Factor is assumed to be 0.90
2Temperature Rating assumed to be 75°C
3Weights are approximate and do not include insulation weights
4Values Per 1000 feet
5Maximum length is based on a load that is 80% of the fuse size

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No guarantees are made as to the accuracy of the calculation or compliance with local codes.  Verify all calculations with a professional engineer. If you find an error, or have a suggestion, please send us an email.

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