Question 7056 of 749 · Maryland Journeyperson Electrician Exam
What does Article 424 require for fixed electric space-heating equipment?
Exactly one answer is correct.
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Correct answer to question 7056
- C: A means to disconnect the heater and its controls from all ungrounded conductors at once
Explanation
Section 424.19 requires means to disconnect the heater and its associated equipment from all ungrounded conductors at the same time. Where the heater is supplied by more than one source, the disconnects must be grouped and marked.
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