User's GUide — 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:
(1Ø
)
1 Ø 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 nd Conduit Size:
(Cond Type
)
RMC 1.25 in COND SIZE
(cont’d)
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Weight and Dimensions
