At the completion of the 2023 NEC Changes course for the state of Maine, licensees will be able to:

  • Describe the overall layout of the National Electrical Code and the addition of new articles.
  • Identify the scope of what is covered and not covered in the Code.
  • List which chapters can supplement or modify other chapters.
  • Identify updates, additions, and changes to Chapter 1 of the 2023 National Electrical Code.
  • Describe changes in the way terms are presented in Article 100, Definitions.
  • Define terms that are newly defined in the 2023 NEC.
  • Outline changes to the general requirements for electrical installations found in Chapter 110 of the 2023 NEC.
  • Identify updates, additions, and changes to Chapter 2 of the 2023 National Electrical Code.
  • Describe changes for branch circuits found in Chapter 2 of the 2023 NEC.
  • Identify the changes to minimum unit load requirements for dwelling units and lighting loads for non-dwelling occupancies found in Chapter 2 of the 2023 NEC.
  • Describe changes to emergency disconnects and surge protection for outside branch circuits and feeders found in Chapter 2 of the 2023 NEC.
  • Outline the new wiring method for installing underground service conductors.
  • List the locations that must be provided with surge protection devices.
  • Identify changes for service conductors and service installation requirements found in Chapter 2 of the 2023 NEC.
  • Outline the new declaration regarding standard overcurrent device ratings found in Chapter 2 of the 2023 NEC.
  • Identify changes to the standard ampere ratings in Table 240.6(A).
  • Describe the new requirement that surge protection devices indicate they are functioning properly.
  • 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.
  • 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.
  • Outline new requirements for insulated bus pipe and flexible bus systems found in Chapter 3 of the 2023 NEC.
  • Identify updates, additions, and changes to Chapter 4 of the 2023 National Electrical Code.
  • Describe the change in scope to Chapter 4 of the 2023 NEC.
  • Identify changes and additions to requirements for switches found in Chapter 4 of the 2023 NEC.
  • List new locations requiring tamper-resistant receptacles.
  • Outline new requirements for receptacles, cord connectors, and attachment plugs found in Chapter 4 of the 2023 NEC.
  • Describe new requirements for switchboards, switchgear, and panelboards found in Chapter 4 of the 2023 NEC.
  • Identify updates, additions, and changes to Chapter 5 of the 2023 National Electrical Code.
  • Describe the changes to Class III Division 1 and Division. 2 locations found in Chapter 5 of the 2023 NEC.
  • Outline new requirements for protection of electrical and electronic equipment in hazardous locations.
  • Describe changes to permission for flexible connections and restricted industrial establishments in Class I, Division 1 and Division 2 locations.
  • Outline new wiring methods for Class III Division 1 locations.
  • Explain the new requirements for cannabis oil equipment and cannabis oil systems using flammable materials found in Chapter 5 of the 2023 NEC.
  • Identify changes in requirements for electrical construction and installation criteria in health care facilities.
  • Identify updates, additions, and changes to Chapter 6 of the 2023 National Electrical Code.
  • Outline new and changed requirements for electric vehicle power transfer systems found in Chapter 6 of the 2023 NEC.

Course ID(s): 94

Approved By: Office of Professional & Occupational Regulation

  • Code Update: 2023 NEC Changes
    • Chapter 1 [22 Activities]
      • 01. 100. Definitions. Scope.
      • 02. 100 Definitions. Attachment Fitting, Weight-Supporting (WSAF). & Receptacle, Weight-Supporting Ceiling (WSCR).
      • 03. 100 Definitions. Class 4 Circuit, Class 4 Device, Class 4 Power System, Class 4 Receiver, Class 4 Transmitter, Class 4 Utilization Equipment.
      • 04. 100 Definitions. Cord Connector.
      • 05. 100 Definitions. Counter (Countertop)
      • 06. 100 Definitions. Ground Fault Circuit Interrupter, Special Purpose.
      • 07. 100. Definitions. Ground-Fault Detector-Interrupter, dc (GFDI)
      • 08. 100 Grounding Conductor, Impedance.
      • Additional Activities
        • 09. 100 Definitions. Grounded System, Impedance.
        • 10. 100 Definitions. Panelboard, Enclosed. (Enclosed Panelboard)
        • 11. 100 Definitions. Restricted Industrial Establishment.
        • 12. 100 Definitions. Stored-Energy Power Supply System (SEPSS).
        • 13. 100 Definitions. Work Surface.
        • 14. 110.3(A)(8). Examination. Cybersecurity.
        • 15. 110.3(B) 110.3(B) Installation and Use.
        • 16. 110.16(B) Service Equipment and Feeder Supplied Equipment.
        • 17. 110.17. Servicing and Maintenance of Equipment.
        • 18. 110.20 Reconditioned Equipment.
        • 19. 110.26 Spaces About Electrical Equipment.
        • 20. 110.26(A)(6) Grade, Floor, or Working Platform.
        • 21. 110.29 In Sight From (Within Sight From, Within Sight)
        • 22. 110.33(A) Entrance to Enclosures and Access to Working Space. Entrance.
    • Chapter 2 [53 Activities]
      • 01. Article 210, Branch Circuits Not Over 1000 Volts ac, 1500 Volts dc, Nominal.
      • 02. 210.2 Reconditioned Equipment
      • 03. 210.5(C)(1) Branch Circuits Supplied from More than One Nominal Voltage System.
      • 04. 210.8(A)(5) GFCI Protection for Personnel. Dwelling Units. Basements
      • 05. 210.8(A)(6) GFCI Protection for Personnel. Dwelling Units. Kitchens
      • 06. 210.8(A)(7) GFCI Protection for Personnel. Dwelling Units. Areas with Sinks
      • 07. 210.8(B). GFCI Protection for Personnel. Other Than Dwelling Units.
      • 08. 210.8(B) GFCI Protection for Personnel. Other Than Dwelling Units. Exceptions.
      • Additional Activities
        • 09. 210.8(D) GFCI Protection for Personnel. Specific Appliances.
        • 10. 210.8(F) GFCI Protection for Personnel. Outdoor Outlets
        • 11. 210.11(C)(4) Dwelling Units. Garage Branch Circuits.
        • 12. 210.12 Arc-Fault Circuit-Interrupter Protection
        • 13. 210.17 Guest Rooms and Guest Suites.
        • 14. 210.18. Branch-Circuit Ratings. Rating
        • 15. 210.23 Permissible Loads, Multiple-Outlet Branch Circuits.
        • 16. Table 210.24(1) Summary of Branch-Circuit Requirements - Copper Conductors.
        • 17. 210.52(A)(2). General Provisions. Wall Space.
        • 18. 210.52(C)(1). Countertops & Work Surfaces. Wall Spaces.
        • 19. 210.52(C)(2). Countertops & Work Surfaces. Island and Peninsular Countertops and Work Surfaces.
        • 20. 210.52(C)(3) Receptacle Outlet Location.
        • 21. 210.52(D) Bathrooms
        • 22. 210.70 Lighting Outlets Required.
        • 23. 210.70(A)(1) Dwelling Units. Habitable Rooms, Kitchens, Laundry Areas, and Bathrooms. Additional Locations
        • 24. 215.15 Barriers.
        • 25. 215.18 Surge Protection.
        • 26. 220.41 Dwelling Unit(s). Minimum Unit Load.
        • 27. 220.42 Lighting Load for Non-Dwelling Occupancies.
        • 28. 220.57 Electric Vehicle Supply Equipment (EVSE) Load.
        • 29. 220.110 Health Care Facilities. Receptacle Loads.
        • 30. 220.120 Marinas. Receptacle Loads.
        • 31. Article 225, Outside Branch Circuits and Feeders.
        • 32. 225.41 Emergency Disconnects
        • 33. 225.42. Surge Protection.
        • 34. 230.7 Other Conductors.
        • 35. 230.24(A) Clearances. Above Roofs.
        • 36. 230.30(B) Wiring Methods.
        • 37. 230.62(C) Barriers.
        • 38. 230.67. Surge Protection.
        • 39. 230.71(B) Two to Six Service Disconnecting Means.
        • 40. 230.85 Emergency Disconnects
        • 41. Article 235, Branch Circuits, Feeders, and Services Over 1000 Volts ac, 1500 Volts dc, Nominal.
        • 42. 240.4(B) Overcurrent Devices Rated 800 Amperes or Less
        • 43. 240.6(A) Standard Ampere Ratings for Fuses and Inverse Time Circuit Breakers
        • 44. 242.9. Indicating
        • 45. Article 245, Overcurrent Protection for Systems Rated Over 1000 Volts ac, 1500 volts dc.
        • 46. 250.64(G) Enclosures with Ventilation Openings.
        • 47. 250.68(C) Grounding Electrode Conductor Connections.
        • 48. 250.118 Types of Equipment Grounding Conductors.
        • 49. 250.130 Equipment Grounding Conductor Connections.
        • 50. 250.130(C) Replacement of Nongrounding Receptacle or Snap Switch and Branch Circuit Extensions.
        • 51. 250.140 Frames of Ranges and Clothes Dryers.
        • 52. 250.148 Continuity of Equipment Grounding Conductors and Attachment in Boxes.
        • 53. 250.186 Grounding Service-Supplied Alternating-Current Systems.
    • Chapter 3 [15 Activities]
      • 01. 300.4(E) Cables, Raceways, or Boxes Installed in or Under Metal-Corrugated Roof Decking.
      • 02. Table 300.5(A) Minimum Cover Requirements, 0 to 1000 Volts ac, 1500 Volts dc, Nominal.
      • 03. Article 305, General Requirements for Wiring Methods and Materials for Systems Rated Over 1000 volts ac, 1500 volts dc, Nominal.
      • 04. 310.15(B)(2). Rooftop.
      • 05. 312.10 Screws or Other Fasteners.
      • 06. 314.27(E) Weight-Supporting Ceiling Receptacles (WSCR) and Weight-Supporting Attachment Fittings (WSAF).
      • 07. 314.29(B) Underground.
      • 08. 334.10 Uses Permitted.
      • Additional Activities
        • 09. 334.15(B) Protection from Physical Damage.
        • 10. 334.40(B) Boxes and Fittings. Devices of Insulating Material.
        • 11. 344.28 Reaming and Threading.
        • 12. 352.10 Uses Permitted.
        • 13. 352.44 Expansion Fittings.
        • 14. Article 369, Insulated Bus Pipe (IBP)/Tubular Covered Conductors (TCC) Systems.
        • 15. Article 371, Flexible Bus Systems.
    • Chapter 4 [24 Activities]
      • 01. 404.1 Switches. Scope.
      • 02. 404.2(C) Switches Controlling Lighting Loads.
      • 03. 404.14(D) Snap Switch Terminations.
      • 04. 404.16 Reconditioned Equipment
      • 05. 404.30 Switch Enclosures with Doors.
      • 06. 406.3(D) Receptacle Terminations.
      • 07. 406.4(G). Protection of Floor Receptacles.
      • 08. 406.6(D) Receptacle Faceplate (Cover Plates) with Integral Night Light and/or USB Charger.
      • Additional Activities
        • 09. 406.9(A),(B) Damp Locations, Wet Locations.
        • 10. 406.9(C) Bathtub and Shower Space.
        • 11. 406.12 Tamper-Resistant Receptacles
        • 12. 408.4(B) Source of Supply.
        • 13. 408.38 Enclosure.
        • 14. 408.43 Panelboard Orientation.
        • 15. 410.10(D) Bathtub and Shower Areas.
        • 16. 410. Part XVII. Special Provisions for Germicidal Irradiation Luminaires.
        • 17. 422.16(B) Specific Appliances.
        • 18.422.18 Ceiling-Suspended (Paddle) Fans.
        • 19. 422.22 Utilizing Separable Attachment Fittings.
        • 20. 424.93 Installation.
        • 21. 430.113 Energy from More than One Source.
        • 22. 440.8. Single Machine and Location
        • 23. 440.11 Disconnecting Means. General.
        • 24. 445.19 Emergency Shutdown of Prime Mover.
    • Chapter 5 [29 Activities]
      • 01. 500.1 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2. Scope.
      • 02. 500.5(D) Class III Locations.
      • 03. 500.7 Protection Techniques.
      • 04. 500.8(E)(3) Unused Openings.
      • 05. 501.10(A)(2) Class I, Division 1. Flexible Connections
      • 06. 501.30(B) Bonding.
      • 07. 502.30(B)(1), 503.30(B)(1) Bonding.
      • 08. 503.10(A) Class III, Division 1.
      • Additional Activities
        • 09. 505.8 Protection Techniques.
        • 10. 505.15(C) Zone 2.
        • 11. 505.16(B) Zone 1.
        • 12. Article 512 Cannabis Oil Equipment and Cannabis Oil Systems Using Flammable Materials.
        • 13. 517.6 Patient Care-Related Electrical Equipment.
        • 14. 517.10(B). Not Covered.
        • 15. 517.14 Panelboard Bonding
        • 16. 517.20(A) Receptacles and Fixed Equipment.
        • 17. 517.22 Demand Factors.
        • 18. 517.30 Sources of Power.
        • 19. 517.70 Diagnostic Imaging and Treatment Equipment. Applicability.
        • 20. 518.5 Supply.
        • 21. 547.26 Physical Protection.
        • 22. 547.44 Equipotential Planes and Bonding of Equipotential Planes.
        • 23. 550.16(C)(1) Exposed Non-Current-Carrying Metal Parts
        • 24. 550.32. Service Equipment.
        • 25. 550.33(A) Feeder Equipment.
        • 26. 551.40(D). Loss of Ground Device.
        • 27. 555.14 Equipotential Planes and Bonding of Equipotential Planes.
        • 28. 555.15 Replacement of Equipment.
        • 29. 555.36(C) Emergency Electrical Disconnect.
    • Chapter 6 [25 Activities]
      • 01. 620.22 Branch Circuits for Car Lighting, Receptacle(s), Ventilation, Heating and Air-Conditioning.
      • 02. 620.23 Branch Circuits for Machine Room, Control Room/Machinery Space, Control Space, or Truss Interior Lighting and Receptacle(s).
      • 03. 625.40 Electric Vehicle Branch Circuit.
      • 04. 625.42 Rating.
      • 05. 625.43 Disconnecting Means.
      • 06. 625.49 Island Mode.
      • 07. 625.102 Installation.
      • 08. 626.1 Electrified Truck Parking Spaces. Scope.
      • Additional Activities
        • 09. 630.8 Ground-Fault Circuit-Interrupter Protection for Personnel
        • 10. 646.19 Entrance to and Egress from Working Space.
        • 11. 680.5 Ground-Fault Circuit-Interrupter (GFCI) and Special Purpose Ground-Fault Circuit-Interrupter (SPGFCI) Protection
        • 12. 680.12 Equipment Rooms, Vaults, and Pits.
        • 13. 680.21(D) Pool Pump Motor Replacement.
        • 14. 680.22(A) Receptacles.
        • 15. 680.26. Equipotential Bonding.
        • 16. 680.32 Ground-Fault Circuit-Interrupter (GFCI) and Special Purpose Ground-Fault Circuit Interrupter (SPGFCI) Protection Overview
        • 17. 680.43 Indoor Installations.
        • 18. 680.54(B),(C) Bonding, Equipotential Bonding of Splash Pads.
        • 19. 680.58 GFCI, SPGFCI Protection for Adjacent Receptacle Outlets.
        • 20. 680.59 GFCI and SPGFCI Protection for Permanently Installed Nonsubmersible Pumps.
        • 21. 680.83 Equipotential Bonding.
        • 22. 690.4(G) PV Equipment Floating on Bodies of Water.
        • 23. 690.12(D) Buildings with Rapid Shutdown.
        • 24. 694.7 Construction and Maintenance.
        • 25. 695.1. Fire Pumps. Scope.
    • Chapter 7 [19 Activities]
      • 01. 700.3 Tests and Maintenance.
      • 02. 700.4(B) Selective Load Management.
      • 03. 700.11 Wiring, Class-2 Powered Emergency Lighting Systems.
      • 04. 700.12(C) Supply Duration.
      • 05. 700.12(E) Stored-Energy Power Supply Systems (SEPSS).
      • 06. 701.1. Legally Required Standby Systems. Scope.
      • 07. 701.12(C)(3) Public Gas System, Municipal Water Supply.
      • 08. 701.32 Selective Coordination.
      • Additional Activities
        • 09. 702.7(A) Signs. Standby.
        • 10. 702.12(B). Portable Generators 15kW or Less.
        • 11. 705.10. Identification of Power Sources.
        • 12. 706.7 Commissioning and Maintenance.
        • 13. Article 724 Class 1 Power-Limited Circuits and Class 1 Power-Limited Remote-Control and Signaling Circuits.
        • 14. Article 725, Class 2 and Class 3 Power-Limited Circuits.
        • 15. 725.3(A) Spread of Fire or Products of Combustion.
        • 16. Article 726 Class 4 Fault-Managed Power Systems
        • 17. 750.6. Listing
        • 18. 760.24(A) Mechanical Execution of Work.
        • 19. 760.33 Supply-Side Overvoltage Protection.
    • Chapter 8 [10 Activities]
      • 01. 800.3 Other Articles.
      • 02. 800.100(B)(2) Electrode. In Buildings or Structures with Grounding Means.
      • 03. 800.100(B)(3) Electrode. In Buildings or Structures Without an Intersystem Bonding Termination or Grounding Means.
      • 04. 800.113 Installation of Cables Used for Communication Circuits, Communications Wires, Cable Routing Assemblies, and Communications Raceways.
      • 05. 800.179 Wires and Cables.
      • 06. 810.15 Grounding or Bonding.
      • 07. 830.40(B). Low-Power Circuits.
      • 08. 830.47 Underground Network-Powered Broadband Communications Cables Entering Buildings.
      • 09. 830.133(C) Splicing of Medium-Powered Network-Powered Communications Cables.
      • 10. 830.160 Bends.
    • Chapter 9 and Annexes [3 Activities]
      • 01. Chapter 9, Table 1. Percent of Cross Section of Conduit and Tubing for Conductors and Cables.
      • 02. Annex C, Table C.1 Conduit, Tubing, and Cable Tray Fill Tables for Conductors and Fixture Wires of the Same Size.
      • 03. Annex K, Use of Medical Electrical Equipment in Dwellings and Residential Board-and-Care Occupancies.
    • State of Maine Common NEC and Electrician Law Violations [10 Activities]
      • 01. State of Maine Common (2020) NEC and Electrician Law Violations -Laws and Rules Violations - Part 1
      • 02. Laws and Rules Violations - Part 2
      • 03. 110.12(A) Mechanical Execution of Work and 110.26(A) Working Space. (2020 NEC)
      • 04. 210.12 Arc-Fault Circuit-Interrupter Protection. (2020 NEC)
      • 05. 250.50 & 250.52(A)(3) Grounding Electrode System & Concrete Encased Electrode. (2020 NEC)
      • 06. 400 Flexible Cords and Cables. (2020 NEC)
      • 07. 210.8 Ground-Fault Circuit-Interrupter Protection for Personnel. (2020 NEC)
      • 08. Table 310.16 Ampacities of Insulated Conductors...(2020 NEC)
      • 09. 300.4 Protection Against Physical Damage. (2020 NEC)
      • 10. 410.36(B) Means of Support. Suspended Ceilings. (2020 NEC)
  • Course Completion
    • Mandatory Questionnaire
    • Certificate of Completion
Instructor Image

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.

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