P
ocket
R
efeRence
G
uide
— 27
(cont’d)
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
Finding Voltage Drop Wire Size
A 20 Amp, 3Ø 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?
KEYSTROKE
DISPLAY
0.
1. Set to 3-Phase:
(3Ø)
3Ø Ph
2. Set to 75º C:
(75º C)
3Ø
75
3 Ph
KEYSTROKE
DISPLAY
