How to Test Voltage

Learn how to accurately test voltage using various tools, understanding the importance of measuring potential difference for safe electrical work.

Last updated November 19, 2024
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About the video

This lesson covers the essential techniques for accurately testing voltage in electrical circuits. You’ll learn about the concept of voltage as a difference in potential, akin to electrical pressure. The video explains the limitations of non-contact voltage testers and plug testers, emphasizing the importance of using a multimeter for precise measurements. It also demonstrates how to test for voltage between different points in a circuit, highlighting common scenarios like three-phase systems and troubleshooting grounding issues. By mastering these testing methods, electricians can ensure safety and accuracy in their work, preventing potential hazards. To get started, go to the Lesson Content tab and click on the video.

About the quiz

Each lesson contains a video, and is followed up with a simple quiz. Quizzes review information discussed within the video, with each question providing an answer justification. Helping to reinforce correct answers and helps clarify any mistakes through code citations, excerpts, and explanations, so you can better understand the material.

Charges

Charges are rewards you earn for engaging in our learning system. You receive charges for completing both the video and the quiz in each lesson. The amount of charges available for each lesson is displayed in the “Lesson Features” box on the right. The charges you earn are based on the time it takes you to complete the lesson, which is also indicated in “Lesson Features.”

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Dustin Stelzer Instructor
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