# 12 Volt Electric Wire - Length and Current

## Maximum length of copper wire with 2% voltage drop

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Maximum one-way length for two conductor copper wire from power source to load in a *12 volt* system with *2%* voltage drop is indicated below:

### Wire Length - feet

### Wire Length - meter

- double the distance if 4% loss is acceptable
- multiply distance by 2 for 24 volts
- multiply distance by 4 for 48 volts

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## Related Topics

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