Electrician Red Seal · Question
What does a 'Code F' on a motor nameplate typically indicate according to the National Electrical Manufacturers Association (NEMA) motor starting current codes?
NEMA Code F indicates a specific range of locked rotor kVA per horsepower. This code is used to determine the appropriate overcurrent protection and starting eq
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Question: What does a 'Code F' on a motor nameplate typically indicate according to the National Electrical Manufacturers Association (NEMA) motor starting current codes?
Answer options:
- The motor has a power factor of 0.85 to 0.90. ✅ The motor has a locked rotor kVA per horsepower ranging from 5.0 to 5.59.
- The motor should only be started with a reduced voltage starter.
- The motor's full load amperage is below 15 amps.
Correct answer: The motor has a locked rotor kVA per horsepower ranging from 5.0 to 5.59.
Explanation: NEMA Code F indicates a specific range of locked rotor kVA per horsepower. This code is used to determine the appropriate overcurrent protection and starting equipment for the motor, relating to the inrush current characteristics during start-up. The value for Code F is 5.0 to 5.59 kVA/hp.
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