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PV Cable Calculator
Estimate voltage drop and power loss in a copper solar cable for different cable sizes. Change the power or current: the results are recalculated instantly.
Enter the distance in one direction. The calculation includes both outgoing and return conductors.
| Cable size | Voltage drop | Power loss |
|---|
- up to 1%
- 1 to 3%
- 3 to 10%
- over 10%
Indicative calculation for copper conductors at 25 °C. Always check allowable current, temperature, installation method and applicable standards before making a final cable selection.