electrical Calculator Scenario

12 AWG Wire Voltage Drop Over 200 Feet at 240V

This is a common scenario for residential circuits like sub-panel feeds, outbuilding connections, or long-run dedicated circuits for appliances.

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Key Considerations

  • 112 AWG is rated for 20A circuits per NEC 310.16
  • 2200 feet is at the upper limit for 12 AWG at full load
  • 3240V circuits have less percentage drop than 120V
  • 4Consider upgrading to 10 AWG for heavy loads

Applicable Standards

NEC 210.19(A)NEC 310.16

Scenario Parameters

cross Section
4
cable Length
61
system Voltage
240
conductor Material
copper
phase Config
single
current
16

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