Question 9015 of 966 · Washington 01 Journey Level Electrician Exam
Threaded rigid metal conduit in a Class I, Division 1 location must be made up wrenchtight with at least how many fully engaged threads?
Exactly one answer is correct.
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Correct answer to question 9015
- A: Five
Explanation
Threaded joints in Class I, Division 1 must be made up wrenchtight with at least five full threads engaged. This helps the joint act as a flame path and keeps the raceway effective as an equipment grounding path.
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