Calculated Industries ElectriCalc Pro 5060 User Manual page 46

Finding Three-Phase
Voltage Drop
A 20-amp three-phase load is being fed
by a 230-volt source located 150 feet
away. The installation specifications
require 75°C #10 THW stranded copper
conduc-tor. What is the voltage drop on
this branch circuit?
Steps
Reset calculator
Set to 75°C
Enter amps
Enter volts
Enter length(feet)
Enter VD wire size10 [WireSz]
Solve volt. drop
Solve % v.drop
44 — ElectriCalc Pro
Keystrokes
[Set] [x] [On/C]
[Set] [7]
20 [Amps]
230 [Volts]
150 [Length]
[VD%]
[VD%]
Display
3Ø 75 Cu 0.
20. AMPS
230. VOLT
150. FEET
AWG WIRE SIZE
6.4 DROP V
2.8 DROP V %
0.
10 CU