Practice question

What is the purpose of the junction box at the base of a traffic signal pole?

  1. To store spare parts
  2. To provide a transition point where underground conduit cables connect to the wiring that runs up through the pole to the signal heads
  3. To collect rainwater from the pole
  4. To house the controller

Answer: B — To provide a transition point where underground conduit cables connect to the wiring that runs up through the pole to the signal heads

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