Practice question

When inspecting inductive loop detector installation, what is the required loop wire insulation type?

  1. Standard PVC insulation
  2. Cross-linked polyethylene (XLPE) or equivalent insulation rated for direct encasement in pavement
  3. Rubber insulation
  4. Teflon insulation

Answer: B — Cross-linked polyethylene (XLPE) or equivalent insulation rated for direct encasement in pavement

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

Practice more: IMSA Signal Inspector Practice Questions - IMSA Traffic Signal Inspector Certification Exam Exam →