Question 3039 of 749 · Maryland Journeyperson Electrician Exam
May an OCPD be placed in a grounded conductor?
Exactly one answer is correct.
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Correct answer to question 3039
- A: Only if it opens all conductors of the circuit simultaneously
Explanation
An OCPD may not be connected in series with a grounded conductor unless the device opens all conductors of the circuit at the same time, or for certain motor overload protection. See 240.22.
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