User`s guide

44 — ElectriCalc Pro
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 Keystrokes Display
Reset calculator [Set] [x] [On/C] 0.
Set to 75°C [Set] [7] 3Ø 75 Cu 0.
Enter amps 20 [Amps] 20. AMPS
Enter volts 230 [Volts] 230. VOLT
Enter length(feet) 150 [Length] 150. FEET
Enter VD wire size10 [WireSz] 10 CU
AWG WIRE SIZE
Solve volt. drop [VD%] 6.4 DROP V
Solve % v.drop [VD%] 2.8 DROP V %
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