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Practice quizzes / IMSA Signal Construction Practice Questions - IMSA Traffic Signal Construction Technician Level II Certification Exam Exam / Question 102607
Practice question

What is the minimum ground rod length required by the NEC for a traffic signal cabinet grounding electrode?

  1. 4 feet
  2. 6 feet
  3. 8 feet
  4. 10 feet

Answer: C — 8 feet

The correct answer is shown above. Try the full quiz for additional practice.

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