Question 1106 of 844 · Washington 01 Journey Level Electrician Exam
Copper and aluminum conductors may be joined in the same terminal or splicing connector only when:
Exactly one answer is correct.
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Correct answer to question 1106
- D: The device is identified for intermixing the two metals
Explanation
110.14 prohibits terminals and splicing connectors from intermixing dissimilar conductors such as copper and aluminum unless the device is identified for that purpose, because of galvanic corrosion and different expansion.
More questions: Definitions, Theory and Plans
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