Practice question

What is the purpose of a junction box (hand hole) in a traffic signal system?

  1. To house the traffic signal controller
  2. To provide access points for pulling and splicing signal cables underground
  3. To mount pedestrian pushbuttons
  4. To store spare signal lamps

Answer: B — To provide access points for pulling and splicing signal cables underground

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