Question 10076 of 749 · Maryland Journeyperson Electrician Exam
The OCPD for a fire pump motor must be sized to carry what current indefinitely?
Exactly one answer is correct.
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Correct answer to question 10076
- D: The locked-rotor current of the motor
Explanation
The OCPD for fire pump motors must be sized to carry the sum of the locked-rotor current of the motor and the full-load current of accessories indefinitely. The goal is to keep the pump running during a fire even if it is overloaded.
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