Practice question

What is the primary safety risk of an incorrectly wired traffic signal head?

  1. The signal head may overheat
  2. A controller command can energize the wrong field indication
  3. The signal head may fall off the mast arm
  4. The LED modules will burn out faster

Answer: B — A controller command can energize the wrong field indication

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Practice more: IMSA Traffic Signal II Practice Questions - IMSA Traffic Signal Field Technician Level II Certification Exam Exam →