AC Systems
277V Voltage DropCalculator
Calculate voltage drop for 277V ac systems
AC Circuit Parameters
NEC Chapter 9 Table 9 values
Calculation Results
Pass
Voltage Drop
4.41V
1.59%
Voltage at Load
272.6V
of 277V source
Power Loss
48 W
Excellent - Meets NEC recommendations
277V Applications
- •Commercial lighting circuits
- •Large building lighting
- •Warehouse and factory lighting
- •LED lighting systems
- •Parking lot lighting
- •Stadium lighting
AC Formula
Single Phase:
Vd = 2 × I × Z × L / 1000
Three Phase:
Vd = √3 × I × Z × L / 1000