Question 2020 of 844 · Washington 01 Journey Level Electrician Exam
Service-entrance cable run on the outside of a building must be supported within 12 in. of the service head and at intervals not exceeding what distance?
Exactly one answer is correct.
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Correct answer to question 2020
- C: 30 in.
Explanation
Service cables must be secured within 12 in. of every service head, gooseneck or connection to a raceway or enclosure, and at intervals not exceeding 30 in. See 230.51(A).
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