Calculated Industries ElectriCalc Pro Pocket Reference Manual - 1 Ph

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