Calculated Industries 5070-A User Guide - Manual (Page 40)

U
ser
'
s
G
Uide
— 39
(cont’d)
KeysTRoKe DIsPlay
 
0.
1. Set to 1-Phase:
  (1Ш)
1 Ш
1 Ph
2. Set to 75 º C:
 
(75º)
1 Ø 75
1 Ph
3. Set to Copper (if necessary):
  (Cu/Al)
1 Ø 75 Cu
1 Ph
4. Enter Amps:
   aMPs 11.
5. Enter Volts:
   
VolT 208.
6. Enter Length:
   
feeT 175.
7. Enter Wire Size:
  * aWG 8 Cu
WIRe sIZe
8. Solve Voltage Drop:
 DRoP 3.0
V
9. Solve percent Voltage Drop:

DRoP 1.4
% V
* Wire size can also be entered in Circular Mils (e.g.,
      
enters 16,510 CMILs and displays
8 AWG Wire Size).
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?