Learn the standards for electrical service installation and improve your installation work in homes, businesses and other buildings all over Washington. With the help of this course, you will discover the many facets of NEC-2023 as they relate to service installation. This course is approved by the Department of Labor & Industries to provide four credits of continuing electrical education.

NEC-2023 is your ultimate resource for codes and standards related to electrical service installation. This course organizes the many provisions of the National Electrical Code to show you how they work in harmony to build a safe framework for effective electrical installation. In addition to the overview, this course gives you a side-by-side comparison of changes from NEC-2020 to NEC-2023. Familiarize yourself with every change and addition while brushing up on your installation skills.

To help you apply what you know, try the set of real-world scenarios at the end of the course. Each practical problem reinforces what you’ve learned and shows how NEC codes will help you in your daily work as an electrician. Install electrical service with confidence while maximizing efficiency and minimizing risk.

After completing this course, you will be able to:

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

Course ID(s): WA2023-495

Approved By: Department of Labor & Industries - Electrical Program

  • 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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