E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / IMSA Roadway Lighting I Practice Questions - IMSA Roadway Lighting Technician Level I Certification Exam Exam / Question 102347
Practice question

What is the standard residential and commercial single-phase voltage in the United States?

  1. 100 VAC
  2. 120/240 VAC
  3. 277/480 VAC
  4. 600 VAC

Answer: B — 120/240 VAC

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

Practice more: IMSA Roadway Lighting I Practice Questions - IMSA Roadway Lighting Technician Level I Certification Exam Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.