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Practice quizzes / IMSA Roadway Lighting I Practice Questions - IMSA Roadway Lighting Technician Level I Certification Exam Exam / Question 102419
Practice question

What is the typical operating current for a 150W HPS luminaire on a 120V circuit?

  1. 0.5 amps
  2. Approximately 1.8 amps (including ballast losses)
  3. 10 amps
  4. 50 amps

Answer: B — Approximately 1.8 amps (including ballast losses)

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

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