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Home
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Voltage Drop Calculator
Voltage Drop Calculator
NEC Data
Estimated Resistance
Other
Wire Material
Copper
Aluminum
Wire Size
14 AWG
12 AWG
10 AWG
8 AWG
6 AWG
4 AWG
3 AWG
2 AWG
1 AWG
Material of Conduit
PVC
Aluminum
Steel
Power Factor (PF)
Voltage
Phase
DC
AC Single Phase
AC 3-Phase
Number of Conductors
1 conductor per phase
2 conductors per phase
3 conductors per phase
4 conductors per phase
5 conductors per phase
6 conductors per phase
7 conductors per phase
8 conductors per phase
9 conductors per phase
Distance (One-Way)
Feet
Meters
Miles
Kilometers
Load Current
Calculate Voltage Drop
Clear
Voltage Drop Facts
Keep voltage drop below 5% for optimal performance.
Copper wires have less resistance than aluminum.
Larger wire sizes reduce voltage drop.
Quick Examples
Short Circuit: 50m, 14 AWG, 10A
Long Circuit: 1000m, 4 AWG, 20A
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