MT – 2023 NEC Changes: Chapters 1-3 (PGM)

Part one of this four-part, interactive course covers some of the 2023 updates in the National Electrical Code, including changes to Articles 210, 369, 371, 512, 726, 90 and 100 of the National Electrical Code.

Part two covers the changes in Article 110 General Requirements for Electrical Installations in the 2023 NEC. Sections covered include updates to Article 110.3 through Article 110.29. By the end of the course, learners will understand the critical regulations, best practices, and safety considerations outlined in NEC Article 110, enabling them to confidently design, install, and maintain electrical systems that meet the highest industry standards.

Part three covers some of the 2023 updates in the National Electrical Code, including changes to Articles 300, 310, 312, and 314. These changes will address items such as protection against physical damage to wiring, underground installations, and the number of conductors in a raceway, as well as supports for enclosures and conduit bodies. We will also discuss outlet box installation and ratings, so get charged up on the updates to the NEC here.

Part four covers the changes to wiring methods in the 2023 National Electrical Code. Articles covered in this course include Articles 320, 334, 336, 342, 352, 356, 358, 369, and 371. Article 320 covers armored cable (Type AC). Article 334 covers non-metallic-sheathed cables (Types NM and NMC). Article 336 covers power and control tray cable (Type TC). Article 342 covers intermediate metal conduit (IMC). Article 352 covers rigid polyvinyl chloride conduit (PVC). Article 356 covers liquid-tight flexible nonmetallic conduit (LFNC). And Article 358 covers electrical metallic tubing (EMT). Notable changes include the addition of Article 369, which covers insulated bus pipe (IBP)/tubular covered conductors (TCC), and Article 371, which covers flexible bus systems. By the end of the course, learners will understand the critical regulations, best practices, and safety considerations for wiring methods outlined in 2023 NEC.

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Course Details

Learning Objectives

At the end of this course, you will be able to:

  • Discuss the new articles in the NEC
  • State why Chapter 7 was extensively revised
  • Recall why Article 100 was restructured and how it works
  • Explain weight-supporting receptacles and attachment fittings
  • Discuss the difference between countertops and work surfaces
  • Identify what an enclosed panelboard is
  • Discuss the concerns of cybersecurity in the NEC in Section 110.3
  • Recall the requirements for terminations of dissimilar metals in 110.14
  • State the revised arc flash label requirements in 110.16
  • Explain the requirements for removing listing marks in 110.21
  • Discuss the revised requirements for marking disconnecting means in 110.22
  • Explain the new section for equipment within sight of other equipment in 110.29
  • Recall the changes for underground wiring in 300.5
  • Explain the clarification for conductor length in 300.14
  • Discuss the raceway fill requirements of 300.17
  • State the importance of exit stairways in 300.25
  • Recall the requirements for fasteners in 312.10 and 314.5
  • Explain the revisions in 314.16 for box fill
  • List the requirements for boxes supported by cord pendants in 314.23
  • Explain the requirements for cables in attics as described in 320.23
  • List the permitted uses of NM cable in 334.10
  • Discuss the revisions in 334.24 for cable bending radius
  • Describe why the allowances of 334.40 were expanded
  • Recognize when 336.10 allows tray cable for services
  • List the increased permitted sizes in 342.20 and 358.20 for IMC and EMT
  • Explain what the new Article 371 applies to

Specs

Course Level Intermediate
Languages English
Compatibility Audio, Video

Author

Vector Solutions

With over two decades of experience designing advanced 3D animated courseware and developing our proprietary learning management software, we pride ourselves by having developed over 1,000 safety and operations training modules, which have helped train over 250,000 workers worldwide. Our highly experienced team provides the industry with a simple and high-quality means of training their workforce. Whether your team consists of 25 people or an enterprise with thousands, we’re here to help.

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