About the video
This lesson covers 2023 NEC 210.4, which addresses multiwire branch circuits. You’ll learn about the requirement for simultaneous disconnection of all ungrounded conductors, ensuring safety during maintenance. The lesson also discusses the restrictions on line-to-neutral loads and the necessity of proper grouping of conductors to prevent electrical 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.”
