About the video
This lesson focuses on clarifying the definitions and differences between branch circuits, multiwire branch circuits, feeders, and service entrance conductors as outlined in NEC Article 100. It explains the specific characteristics and roles of each type of circuit and conductor, helping to eliminate common confusions. The lesson highlights the importance of understanding these terms for accurate code interpretation and proper installation practices in the field. 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.”