CODE & LAW UPDATE CLASS
2023 NEC

North Carolina 8-Hour In-Person Classes: Meet your North Carolina electrical continuing education requirements with two 4-hour classroom classes. 

N

Falsification of any information submitted by the licensee on your renewal application may require an application before the board and may result in penalties and/or suspension of your license

In Person Course Outline

Understanding the NEC Arrangement
-How proposals are handled
-The purpose and use of public comments
-Using the technical committee reports and technical
committee documentation to understand the codemaking process

Requirements for Electrical Installations
-Electrical connections
-Working clearances, dimensions, head room, entrances
to working spaces, exceptions
-Circuit impedance and other characteristics
-Interrupting rating requirements for protective devices
and other equipment
-Identification of services, branch-circuits, and feeders

Branch-Circuit Analysis
-New rules on ground-fault circuit interrupters
-Auto transformers for branch-circuits in industrial
occupancies
-Revised rules on receptacle outlet locations
Service and Feeder Applications
-Multi-building complexes
-Disconnect requirements
-Ground-fault protection for services and feeders
-How to size service and feeder components
-Requirements for systems that exceed 600 volts

Overcurrent Protection
-How to size O/C protection for conductors
-Tap rules — 10, 25, motor, transformer, and 100 foot
-How to protect conductors and equipment from
damage associated with short-circuits, ground-faults,
and overcurrent
-Calculating fault currents point-to-point from the source
to the load

Grounding and Bonding
-The proper grounding of DC and AC systems
-Grounding of separately derives systems
-Objectionable currents over grounding conductors
-How to provide an effective grounding path for fault
clearing purposes
-Equipment grounding provisions
-How to size grounding and bonding conductors with
proper withstanding ratings
-Reducing voltage drop in grounding conductors
-Grounding non-electric equipment
-Special requirements for systems for 600 volts
-The grounding electrode system — the purpose and
function of this system

Writing Methods
-Cable and raceway types
-Cable tray installations
-Securing and supporting requirements
-New raceway and cable types
-Installation of cables and raceways in air-handling
spaces
-Physical protection and burial depth

Conductors for General Wiring
-Analysis and proper use of ampacity tables
-How to determine conductor operating temperature
-How to apply ambient temperature and proximity effect
derating factors
-Short-circuit withstand rating of conductors
-How to determine specific conditions that affect
conductor ampacity
-Voltage-drop considerations

Boxes and Fitting
-New rules on maximum fill conditions
-How to size a junction or pull box for larger conductors
-Wire bending space requirements

Motors, Motor Circuits, and Controllers
-A complete analysis of a motor feeder with five separate
tapped branch circuits, including overcurrent protection
wire sizing, disconnect switches, overloads, and
controller requirements
-New rules on motor protection
-Duty cycles and special applications

Transformers
-How to size overcurrent protection for all voltages
-Where to install primary and secondary protection
-Primary protection for secondary conductors
-Special requirements for dry-type transformers
-Transformer vaults

1-Hour Law Course

A Long Journey

Gregory P Bierals

President and Technical Director of the Electrical Design Institute. Gregory presents technical seminars nationwide on the National Electrical Code, Electrical Systems Design, Electrical Estimating, Electrical Systems, Design for Hazardous Locations, Designing Overcurrent Protections, Grounding Electrical Distribution Systems, and Grounding and Bonding Photovoltaic and Energy Storage Systems.

He is the author of multiple publications including: “The NEC and You Perfect Together,” “Grounding Electrical Distributions Systems,” “Designing Overcurrent Protection, Article 240 and Beyond,” “Grounding and Bonding Photovoltaic and Energy Storage Systems,” published by River Publishers.
Gregory P Bierals will be the instructor for these courses.