12 Volt 2% Wire Loss Chart

Maximum distance of various gauge two conductor copper wire

Maximum distance one-way of various gauge two conductor copper wire from power source to load for 2% voltage drop in a 12 volt system are indicated in the chart below.

12 volt wire loss

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

Related Topics

  • Electrical - Amps and electrical wiring, AWG - wire gauge, electrical formulas, motors and units

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