Calculated-industries 5070-B User Guide Manual de usuario descargar pdf (Pagina 40)

User's GUide — 39

(cont’d)

KEYSTROKE DISPLAY

 

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 specications require 75°C

#10 THW stranded Copper conductor. What is the Voltage Drop on

this branch circuit?

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Calculated-industries 5070-B User Guide Manual de usuario Pagina 40

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