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: State Board of Examiners of Electrical Contractors
- Commercial and Industrial Wiring (2023 NEC)
- Grounding and Bonding [4 Activities]
- 01. 250.64 Grounding Electrode Conductor Installation.
- 02. 250.66 Size of Alternating-Current Grounding Electrode Conductor.
- 03. 250.118 Types of Equipment Grounding Conductors.
- 04. 250.122 (F) Size of Equipment Grounding Conductors in Parallel.
- Wiring Methods [4 Activities]
- 01. Wiring Methods: 300.3 (B) & 300.3(B)(1) Conductors of the Same Circuit & Paralleled Installations.
- 02. 300.4 (G) Insulated Fittings.
- 03. 300.5 (A) Minimum Cover Requirements.
- 04. 300.14 Length of Free Conductors at Outlets, Junctions, and Switch Points.
- Conductors for General Wiring [3 Activities]
- 01. Conductors for General Wiring: 310.10 Uses Permitted (A) through (F).
- 02. 310.10 (G) Conductors in Parallel.
- 03. 310.12 Single-Phase Dwelling Service and Feeders.
- Outlet, Device, Pull, and Junction Boxes [3 Activities]
- 01. Outlet, Device, Pull and Junction Boxes: 314.24 Dimensions of Boxes.
- 02. 315.16 Marking for Type MV Cables and Conductors & 315.17 Marking for Type MV Cable Joints and Terminations.
- 03. 315.32 Uses Permitted for Type Medium Voltage Cables, Cable Joints, and Terminations.
- Conduit and Raceways [7 Activities]
- 01. Conduit and Raceways: 371.17 Overcurrent Protection of Flexible Bus Systems.
- 02. 371.18 Flexible Bus Systems Installation.
- 03. 314.16 Box Fill Calculations.
- 04. 398.15 Exposed Work.
- 05. 315.44 Shielding & 315.45 Shielding at Type MV Cable Joints and Terminations.
- 06. 352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits.
- 07. 352.44 Expansion Fittings.
- Switches and Receptacles [3 Activities]
- 01. Flexible Cords and Cables: 404.14 Rating and Use of Switches.
- 02. 406.3 Receptacle Rating and Type.
- 03. 406.4 (D) Receptacle Replacements.
- Switchboards and Panelboards [4 Activities]
- 01. Switchboards and Panelboards: 406.12 Tamper-Resistant Receptacles.
- 02. 424.93 Installation of Electric Radiant Heating Panels and Heating Panel Sets.
- 03. 410.10 Luminaires in Specific Locations.
- 04. 410.10 (A) through (F) Installation.
- Motors, Motor Circuits, and Controllers [12 Activities]
- 01. Motors, Motor Circuits, and Controllers: 430.6 Conductor Ampacity and Motor Rating Determination.
- 02. 430.7 Marking on Motors and Multimotor Equipment & 430.8 Marking on Controllers.
- 03. 430.22 Single Motor.
- 04. 430.24 Several Motors or a Motor(s) and Other Load(s).
- 05. 430.32 Continuous Duty Motors Overload Protection.
- 06. 430.52 Rating or Setting for Individual Motor Circuit.
- 07. 430.53 Several Motors or Loads on One Branch Circuit.
- 08. 430.94 Overcurrent Protection.
- Additional Activities
- 09. 430.102 (A) Disconnecting Means Location. Controller.
- 10. 430.102 (B) Disconnecting Means Location. Motor.
- 11. 430.107 Readily Accessible.
- 12. 430.109 Type.
- Generators [2 Activities]
- 01. Generators: 445.13 (A) Ampacity of Conductors. General. Conductor Ampacity.
- 02. 445.18 Disconnecting Means. 445.19 Emergency Shutdown of Prime Mover.
- Transformers [3 Activities]
- 01. Transformers: 450.1 Scope.
- 02. Table 450.3 (B) Maximum Rating of Overcurrent Protection for Transformers 1000 Volts and Less.
- 03. 450.13 (A)&(B) Accessibility. Open and Hollow Space Installations.
- Temporary Installations [2 Activities]
- 01. Temporary Wiring: 590.3 and 590.4 (D) Time Constraints. Receptacles.
- 02. 590.6 (A) (1) GFCI Protection for Personnel.
- Industrial Machinery [3 Activities]
- 01. Industrial Machinery: 670.3 Machine Nameplate Data.
- 02. 670.4 (A) Supply Conductors and Overcurrent Protection Size.
- 03. 670.4 (B) & (C) Disconnecting Means and Overcurrent Protection.
- Grounding and Bonding [4 Activities]
- Course Completion
- Mandatory Questionnaire
- Certificate of Completion
- Expedited Reporting Available
