AC Systems
480V Voltage DropCalculator
Calculate voltage drop for 480V ac systems
AC Circuit Parameters
NEC Chapter 9 Table 9 values
Calculation Results
Pass
Voltage Drop
3.82V
0.80%
Voltage at Load
476.2V
of 480V source
Power Loss
144 W
Excellent - Meets NEC recommendations
480V Applications
- •Industrial motor circuits
- •Commercial building feeders
- •Manufacturing equipment
- •Large HVAC systems
- •Elevator systems
- •Industrial lighting
AC Formula
Single Phase:
Vd = 2 × I × Z × L / 1000
Three Phase:
Vd = √3 × I × Z × L / 1000