User's GUide — 39
(cont’d)
KEYSTROKE DISPLAY
0.
1. Set to 1-Phase:
(
1Ø
)
1 Ø 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 specications require 75°C
#10 THW stranded Copper conductor. What is the Voltage Drop on
this branch circuit?
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