Calculated Industries 5025 - Manual (Page 35)

User's Guide — 33
Steps Keystrokes Display
Enter wire size 8 [WireSz] 8 CU
AWG WIRE SIZE
Solve volt. drop [VD%] 3.0 DROP V
Solve % v.drop [VD%] 1.4 DROP V %
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
conductor. What is the voltage drop on
this branch circuit?
Steps Keystrokes Display
Reset calculator [Set] [x] 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
Find VD [VD%] 6.4 DROP V
Find VD% [VD%] 2.8 DROP V %