About the video
This lesson covers 2023 NEC 240 requirements for overcurrent protection, explaining the importance of properly sizing and installing breakers and fuses to prevent electrical hazards. You’ll learn about the different types of overcurrent protection devices (OCPDs), including their roles in protecting conductors and equipment from overheating and short circuits. The lesson provides guidelines on selecting appropriate OCPDs based on conductor sizes and specific scenarios, ensuring compliance and safety in various electrical installations. 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.”