Solar Wire Tools
Wire and cable sizing for DC solar circuits, by NEC ampacity and voltage drop. Every tool here shows which of the two decided your answer.
Calculators in Solar Wire Tools
Solar Wire Tools7 tools
- Solar Wire Size CalculatorFind the right wire gauge for any DC circuit in a solar system.
- 12V Solar Wire Size CalculatorWire sizing for 12 volt solar, RV, van and marine circuits.
- 24V Solar Wire Size CalculatorWire sizing for 24 volt off-grid and cabin systems.
- 48V Solar Wire Size CalculatorWire sizing for 48 volt off-grid and whole-home systems.
- RV Solar Wire Size CalculatorWire sizing for RV, camper van and trailer solar builds.
- Battery to Inverter Wire Size CalculatorSize the highest-current cable in the whole system.
- Solar Panel to Charge Controller Wire Size CalculatorSize the run from the array to the controller, per NEC 690.8.