NC Commercial and Industrial Wiring (2023 NEC) Part 2

  • 4 Hour Course
  • $45.00

Finalize your understanding of the latest electrical installation requirements for industrial and commercial applications with this course that’s second in a two-part series. 2023 National Electrical Code (NEC) changes are highlighted in each lesson. 

North Carolina electricians who finish this course will be able to: 

  • List the general requirements for providing overcurrent protection to flexible bus systems. 
  • List the basic requirements for sizing outlet and device boxes. 
  • Identify when and how PVC, as a complete system, requires support. 
  • Identify when more than one motor is allowed on a branch circuit.  
  • Describe the proper procedure for installing conductors in conduits.  
  • Interpret Table 310.12 to size phase conductors for dwelling unit services. 
  • Understand the importance of using switches within their specified ratings and the types of permitted loads on switches. 
  • Identify where flexible cords are permitted to be used. 
  • Identify installations or activities that require ground fault circuit interrupter (GFCI) protection for personnel.  
  • Describe how overcurrent protection protects a motor control center (MCC). 
  • Identify when a motor must have a disconnecting means within sight of the motor.  
  • Calculate the minimum ampacity required of feeder supply conductors for an industrial machine.
  • Course ID(s): CEC.05760
  • Approved By: NC State Board of Examiners of Electrical Contractors

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.