Practice question

What is the function of a 'J-bolt' or 'L-bolt' in traffic signal foundation construction?

  1. To mount the signal head to the mast arm
  2. To anchor the pole base plate to the concrete foundation
  3. To connect conduit sections
  4. To secure the controller cabinet door

Answer: B — To anchor the pole base plate to the concrete foundation

The correct answer is shown above. Try the full quiz for additional practice.

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