Question 2031 of 749 · Maryland Journeyperson Electrician Exam
Under the 2020 and 2023 NEC, where must the emergency disconnect for a one-family dwelling be installed?
Exactly one answer is correct.
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Correct answer to question 2031
- B: In a readily accessible outdoor location
Explanation
Section 230.85 requires an emergency disconnect for one- and two-family dwelling services at a readily accessible outdoor location so first responders can shut off power without entering the building. This requirement first appeared in the 2020 edition.
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