Conductors
Dwelling Unit
Mechanical
Motors
Short Circuits
Transformers
Voltage Drop
Conductors
Voltage drop given conductor
Conductor sizing, voltage drop
Max conductor
Conductor, circuit voltage drop
Extending circuits
Guides
>
Voltage Drop
>
Conductors
>
Voltage drop given conductor
Jump to:
Description
Phase
Wire
Load
Solve
Finding Voltage Drop for given conductor size
Step 1: Phase
Specify whether the calculation is for single-phase (1∅) or three-phase (3∅).
1.1
Phase
Single-phase (1∅)
Three-phase (3∅)
Step 2: Wire
Select the appropriate information on the medium being used.
2.1
Wire size
18 AWG
16 AWG
14 AWG
12 AWG
10 AWG
8 AWG
6 AWG
4 AWG
3 AWG
2 AWG
1 AWG
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
250 kcmil
300 kcmil
350 kcmil
400 kcmil
500 kcmil
600 kcmil
700 kcmil
750 kcmil
800 kcmil
900 kcmil
1000 kcmil
1250 kcmil
1500 kcmil
1750 kcmil
2000 kcmil
2.2
Wire material
Copper
Aluminum
Step 3: Load
This satisfies I and D. Specifying volts is not required unless your known load is not amperes.
3.1
Load
Amperes
kVa
Volts
3.2
Distance of load from power supply
Centimeters
Inches
Feet
Meters
Kilometers
Miles
Step 4: Solve
4.1
Proof steps
Show proof steps
4.2
Solve for Voltage Drop
See also
Calculations
Solving for Voltage Drop in Three-wire Three-Phase Circuits
Solving for Voltage Drop in Two-wire Single-Phase Circuits
Guides
Sizing conductors to prevent excess voltage drop
Limit conductor load to limit the circuit voltage drop
Tables
Multiplier for steel conduit voltage drop calculations
Wire conductor properties
Forms
Medium-voltage Switchgear Test Form
Definitions
Electromagnetic Induction
Volt
Error? Comments? Suggestions?
Help us improve.
About SFASoft
FAQ
Disclaimer