1. A 10-HP single-phase motor is connected to 240 volts. The motor nameplate indicates a NEMA Code B, a full-load running current of 47.5 amperes, and a temperature rise of 40°C. What size copper conductors with THWN insulation should be used to connect this motor?
1. A 10-HP single-phase motor is connected to 240 volts. The motor nameplate indicates a NEMA Code B, a full-load running current of 47.5 amperes, and a temperature rise of 40°C. What size copper conductors with THWN insulation should be used to connect this motor?
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1. A 10-HP single-phase motor is connected to 240 volts. The motor nameplate indicates a NEMA Code B, a full-load running current of 47.5 amperes, and a temperature rise of 40°C. What size copper conductors with THWN insulation should be used to connect this motor?
Expert Solution
Step 1
Given
motor rating : 10 HP
Voltage=230 V
NEMA -B
Full load current =47.5 A
temperature rise : 400 C
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