Question 8070 of 1033 · Washington 01 Journey Level Electrician Exam
Under what condition may a dry-type transformer be installed above a suspended ceiling?
Exactly one answer is correct.
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Correct answer to question 8070
- D: If it is 1000 volts or less, 50 kVA or less, and the space is not permanently closed in
Explanation
Section 450.13(B) allows dry-type transformers of 1000 volts or less and not over 50 kVA in hollow spaces of buildings, such as above suspended ceilings, when the space is not permanently closed in by structure. Ventilation and separation rules still apply.
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