40 — electricalc
®
Pro
KEYSTROKE DISPLAY
0.
1. Set to 3-Phase:
(
3Ø
)
3Ø 3 PH
2. Set to 75 º C:
(
75º
)
3Ø 75 3 PH
3. Set to Copper (if necessary):
(
Cu/Al
)
3Ø 75 Cu 3 PH
4. Enter Amps:
AMPS 20.
5. Enter Volts:
VOLT 230.
6. Enter Length (Feet):
FEET 150.
7. Enter Wire Size:
AWG 10 CU WIRE SIZE
8. Solve Voltage Drop:
DROP 6.4 V
9. Solve percent Voltage Drop:
DROP 2.8 % V
Finding Voltage Drop Wire Size
A 20 Amp, Three-Phase 208 Volt load will be located 175 Feet away
from the source. Assuming a 3% allowable Voltage Drop, what is the
size of 75°C conductor required for this branch circuit? What is the
resulting voltage drop?
KEYSTROKE DISPLAY
0.
1. Set to 3-Phase:
(
3Ø
)
3Ø PH
(cont’d)
To Next Page
Loading...
