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User's GUide — 41
(cont’d)
2. Set to 75º C:
(
75º C
)
3Ø 75 3 PH
3. Set to Copper (if necessary):
(
Cu/Al
)
3Ø 75 Cu 3 PH
4. Enter Amps:
AMPS 20.
5. Enter Volts:
VOLT 208.
6. Enter Length:
FEET 175.
7. Enter allowable VD%:
DROP 3.0 % V
8. Find Wire Size:
AWG 8 CU VD WIRE SIZE
9. Find actual Voltage Drop:
DROP 4.7 V
10. Find percent Voltage Drop:
DROP 2.3 % V
Finding Voltage Drop Distance
How far from a Three-Phase 240 Volt source can you
install a 15 Amp load using 60°C #10 Copper branch circuit
conductors? Assume a 3% allowable Voltage Drop.
KEYSTROKE DISPLAY
0.
1. Set to 3-Phase:
(
3Ø
)
3Ø 3 PH
KEYSTROKE DISPLAY
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