Practice question
What is the purpose of the junction box at the base of a traffic signal pole?
- To store spare parts
- To provide a transition point where underground conduit cables connect to the wiring that runs up through the pole to the signal heads
- To collect rainwater from the pole
- 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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