About the video
This lesson covers the various types of multi-gang boxes used in electrical installations. You’ll learn about two-gang, three-gang, and four-gang boxes, and their applications for housing multiple switches or receptacles. The video explains the difference between nail-on boxes for new construction and old work boxes for remodeling, emphasizing the importance of volume and proper sizing to accommodate wiring and devices. Understanding these multi-gang boxes ensures safe and efficient electrical installations, allowing for flexibility and customization in different environments. 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.”