Calculated Industries 5060 - Manual (Page 50)

48 — ElectriCalc Pro
Finding Voltage Drop Wire Size
A 20-amp single-phase 208-volt load will
be located 175 feet away from the
source. Assuming a 3% allowable volt-
age drop, what is the size of 75°C con-
ductor required for this branch circuit?
Steps Keystrokes Display
Clear calculator
o o
0.
Set to 75°C
S 7
3Ø 75 Cu 0.
Set to 1-phase
S 1
1 PH
Enter amps
20 A
AMPS 20.
Enter volts
208 U
VOLT 208.
Enter distance
175 l
FEET 175.
Enter allow. VD%
3 v
DROP 3.0 V %
Find wire size
w
AWG 8 CU
VD WIRE SIZE
Find actual
voltage drop
v
DROP 5.4 V
Find % v.drop
v
DROP 2.6 V %
* NOTE: See “Settings” for a list of
Permanent Values/settings. Changing
these settings may affect your calculations.