Safe, effective installation of sufficient electrical service is one of the core responsibilities of the Oregon electrician. A firm grasp of the principles found in the NEC is critical to your success. This four-credit course is approved by the Department of Consumer & Business Services.

NEC-2023 sets the standard for electrical installation. This course is organized to show you how its various codes work together to prioritize safety and meet electrical demands. Compare the current edition, NEC-2023, to its predecessor, NEC-2020, with a simple “cut-and-paste” exploration of all changes. It is easy to see which codes have changed and which have remained the same. Focus on improving your skills instead of double-checking the text.

At the end of the course, you will have the chance to explore a set of real-world examples. These scenarios are handpicked to demonstrate important principles of the NEC and will help you turn theory into safe practice. Improve your electrical installations and stay up to date on code changes.

After completing this course, you will be able to:

  • Understand and remember the numerous codes that govern service installation.
  • Follow best practices regarding service equipment rating.
  • Explain best practices to service disconnecting means.
  • Select and install appropriate service-entrance conductors.
  • Utilize the codes covered in this course while solving real-world problems in locating, rating, selection, disconnects, multiple services, panels, identification and GFPE.
  • incorporate best practices for service overcurrent protection.
  • apply relevant codes to overhead service conductors.

Course ID(s): 28505293

Approved By: Department of Consumer & Business Services - Building Codes Division

  • Installing Services (2023 NEC)
    • Installing Services (2023 NEC) [51 Activities]
      • 01. Installing Services
      • 02. Service Basics - 230.1 Scope
      • 03. Service Basics - Article 100 Definitions: Service
      • 04. Overhead Service Conductors - Article 100 Definitions: Overhead Service & Service-Entrance Conductors
      • 05. Overhead Service Conductors - 230.2 Number of Services
      • 06. Overhead Service Conductors - 230.24(A) Clearances Above Roofs
      • 07. Overhead Service Conductors - 230.24(A) Clearances Above Roofs Exception No. 1
      • 08. Overhead Service Conductors - 230.24(A) Clearances Above Roofs Exceptions 2 and 3
      • Additional Activities
        • 09. Overhead Service Conductors - 230.24(B) Vertical Clearance for Overhead Service Conductors
        • 10. Overhead Service Conductors - 230.28 Service Masts as Supports
        • 11. Underground Service Conductors - Article 100 Definitions: Underground Service & Service-Entrance Conductors
        • 12. Underground Service Conductors - 230.32 Protection Against Damage
        • 13. Service-Entrance Conductors - 230.40 Number of Service-Entrance Conductor Sets
        • 14. Service-Entrance Conductors - 230.42 Minimum Size and Ampacity
        • 15. Service-Entrance Conductors - 310.12 Single-Phase Dwelling Services and Feeders
        • 16. Service-Entrance Conductors - 230.43 Wiring Methods for 1000 Volts, Nominal, or Less
        • 17. Service-Entrance Conductors - 230.46 Spliced and Tapped Conductors
        • 18. Service-Entrance Conductors - 230.50 Protection Against Physical Damage
        • 19. Service-Entrance Conductors - 230.54(C) Service Heads and Goosenecks Above Service-Drop or Overhead Service Attachment
        • 20. Service Equipment - Article 100 Definitions Service Equipment
        • 21. Service Equipment - 230.66 Service Rated Equipment
        • 22. Service Equipment; Disconnecting Means - 230.70(A) Location
        • 23. Service Equipment; Disconnecting Means - 230.70(B)&(C) Marking; Suitable for Use
        • 24. Service Equipment; Disconnecting Means - 230.71 Maximum Number of Disconnects
        • 25. Service Equipment; Disconnecting Means - 230.72 Grouping of Disconnects
        • 26. Service Equipment; Disconnecting Means - 230.79 Rating of Service Disconnecting Means
        • 27. Service Equipment; Disconnecting Means - 230.80 Combined Rating of Disconnects
        • 28. Service Equipment; Disconnecting Means - 230.82 Equipment Connected to the Supply Side of Service Disconnect
        • 29. Service Equipment; Overcurrent Protection - 230.90 Where Required
        • 30. Service Equipment; Overcurrent Protection - 230.91 Location
        • 31. Service Equipment; Overcurrent Protection - 230.95 Ground-Fault Protection of Equipment
        • 32. Strip Shopping Center - Practical Problem #1: Location of the 277/480-Volt Service
        • 33. Strip Shopping Center Practical Problem #2: Location of the 120/208 Volt Service
        • 34. Strip Shopping Center Practical Problem #3: The Rating of the 277/480-Volt Service
        • 35. Strip Shopping Center Practical Problem #4: The Rating of the 120/208-Volt Service
        • 36. Strip Shopping Center Practical Problem #5: Ungrounded Conductors to Tenant Spaces A, B, D, E and G
        • 37. Strip Shopping Center Practical Problem #6: Grounded Conductor to Tenant Spaces A, B, D, E and G
        • 38. Strip Shopping Center Practical Problem #7: Ungrounded Conductors to Tenant Space C (Sandwich Shop)
        • 39. Strip Shopping Center Practical Problem #8: Grounded Conductor to Tenant Space C (Sandwich Shop)
        • 40. Strip Shopping Center Practical Problem #9: Ungrounded Conductor to Tenant Space H (Print Shop)
        • 41. Strip Shopping Center Practical Problem #10: Grounded Conductor to Tenant Space H (Print Shop)
        • 42. Strip Shopping Center Practical Problem #11: Ungrounded Conductor to Tenant Space F (Restaurant)
        • 43. Strip Shopping Center Practical Problem #12: Grounded Conductors in Parallel
        • 44. Strip Shopping Center Practical Problem #13: Location of the 120/208-Volt Service
        • 45. Strip Shopping Center Practical Problem #14: Conduit Installation to Tenant Spaces
        • 46. Strip Shopping Center Practical Problem #15: Location of Service Disconnects
        • 47. Strip Shopping Center Practical Problem #16: Two Services
        • 48. Strip Shopping Center Practical Problem #17: House Load Panel
        • 49. Strip Shopping Center Practical Problem #18: Identifying Service Location
        • 50. Strip Shopping Center Practical Problem #19: Service Requirements in the NEC
        • 51. Strip Shopping Center Practical Problem #20: Ground-Fault Protection
  • Course Completion
    • Mandatory Questionnaire
    • Certificate of Completion
    • Expedited Reporting Available
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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