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Practice quizzes / Iowa CDL Combination Vehicles Test Practice Questions - Iowa Commercial Driver License Combination Vehicles Test Exam / Question 106336
Practice question

After coupling, what should be done with the electrical cord?

  1. Tie to tire
  2. Connect after first mile
  3. Plug in, fasten safety catch, and check clearance
  4. Leave hanging plug-up

Answer: C — Plug in, fasten safety catch, and check clearance

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

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