Practice question

What factor determines the size of the controller cabinet selected for a traffic signal installation?

  1. The pole height only
  2. The number of phases, detection inputs, and communication equipment required for the intersection
  3. The foundation size only
  4. The mast arm length

Answer: B — The number of phases, detection inputs, and communication equipment required for the intersection

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