Question 3045 of 749 · Maryland Journeyperson Electrician Exam
A 120/240 volt slash rated circuit breaker may be used on which system?
Exactly one answer is correct.
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Correct answer to question 3045
- C: A solidly grounded system where no conductor exceeds 120 volts to ground
Explanation
A slash rated breaker may be used only on a solidly grounded circuit where the voltage of any conductor to ground does not exceed the lower value and the voltage between conductors does not exceed the higher value. See 240.85.
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