1 A Minnesota 2023 NEC Changes Chapter 3

  • 2 Hour Course
  • 4.4 2115 Reviews
  • $36.00

This course covers important changes to Chapter 3 of the 2023 National Electrical Code and is approved for Minnesota electricians.

Learning Objectives:

At the completion of the course, licensees will be able to:

  • Identify updates, additions, and changes to Chapter 3 of the 2023 National Electrical Code.
  • Summarize the general requirements for wiring methods and materials for systems rated over 1000 volts ac, 1500 volts dc covered in Article 305.
  • Describe changes and additions to the exceptions for cables, raceways, or boxes installed in or under metal-corrugated roof decking found in Chapter 3 of the 2023 NEC.
  • Outline new requirements for installing screws and other fasteners in cabinets, cutout boxes, and meter socket enclosures found in Chapter 3 of the 2023 NEC.
  • Identify additions and changes to requirements for outlet boxes, underground boxes, and handhole enclosures found in Chapter 3 of the 2023 NEC.
  • Outline new requirements for insulated bus pipe and flexible bus systems found in Chapter 3 of the 2023 NEC.
  • List changes to uses permitted and not permitted for nonmetallic-sheathed cable.
  • Identify changed requirements for use and installation of rigid polyvinyl chloride conduit (PVC) found in Chapter 3 of the 2023 NEC.


This course gives you the opportunity to earn IACET CEUs through our parent company Certus. As an IACET Accredited Provider, Certus offers IACET CEUs for its learning events that comply with the ANSI/IACET Continuing Education and Training Standard. To earn IACET CEUs, you must:

  • Complete all lessons in the course,
  • Correctly answer every quiz question posed through the course,
  • Pass the final exam, and
  • Complete the course evaluation.

Assessment Information: This online course presents each section with commentary, a graphic illustration or photograph, and requires the learner to answer multiple choice questions after reviewing the content. The learner must complete all multiple-choice questions for each section correctly to get IACET CEUs, a certificate of completion, or state license renewal credit for the course. If the learner's first response is incorrect, learners will be immediately allowed to answer the question again until the correct answer is chosen. Question choices are randomized, so each participant will have a unique testing experience

Prerequisites: This course has no prerequisites.

Course Demonstration Video


  • Course ID(s): 20230214
  • Approved By: MN DLI

Instructor Bio

Jerry Durham

Jerry previously served the state of North Carolina as a Level III electrical inspector and provided state-approved electrical training for electrical inspectors at both Alamance County and Guilford County (NC) Community Colleges. Jerry taught the Kentucky state-approved four-year electrical apprenticeship programs offered by the Independent Electrical Contractors (IEC) Trade School and Associated Builders and Contractors (ABC) Trade School, and served the state of Kentucky as a Master Electrician and Louisville Metro Code Enforcement Officer. Jerry is a Certified Distance Education Instructor (CDEI) and NCCER Core and Electrical Curriculum certified instructor. Jerry currently holds North Carolina and ICC electrical inspector accreditations and is recognized by the state of Washington as an approved electrical administrator.

Course Reviews

2115 Reviews