Calculated Industries 5070-A User Guide - Manual (Page 50)

U
ser
'
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Uide
— 49
finding Motor branch-Circuit Wire size and Conduit size —
Same Wire type and Size
What size THHN Copper Wire and RMC Conduit are needed to
connect a 10 HP 1Ø Induction motor to a 115 Volt source?
KeysTRoKe DIsPlay
  0.
1. Set to 1-Phase:
  (1Ш)
1 Ш
1 Ph
2. Set to 60º C:
  (60º)
1 Ø 60
1 Ph
3. Set to Copper (if necessary):
  (Cu/Al)
1 Ø 60 Cu
1Ph
4. Enter Volts:
   
VolT 115.
5. Enter Horsepower:
  
InD* 10. hP
* If iND is not shown, press   until iND is displayed in the upper left
area of the display.
6. Display Full-Load Amps:

flC 100.
a
7. Find Wire Size at 125% Ampacity:
  (125%) aWG 0 Cu
WIRe sIZe 125%
8. Find Wire Ampacity:

Ø* 125.0
WIRe a125%
* The Wire Size will be shown in the upper left area of the display when
displaying the Wire Ampacity rating.
9. Enter Conduit Type and find Conduit Size:
   (Cond Type) RMC 1.25 in
ConD sIZe
(cont’d)