National Electrical Code 2023: Grounding and Bonding
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Agenda
Webinar instructions will be emailed before the date of the webinar.
Please log into the webinar 15 – 30 minutes before the start time.
Friday, January 24, 2025
9:00 am – 5:00 pm CST
Presented by: Rick Chambers
Definitions, Purpose of Grounding, System and Service Grounding
- Definitions
- Systems permitted to be grounded (250.21)
- Purposes of grounding and bonding (250.4)
- Location of service grounding connection (250.24)
- Types of grounding
- Sizing and routing the grounded conductor
- Effects of electricity on humans
- Special rules for parallel service conductors
- Objectionable current (250.6)
- Examples
- Permitted connections (250.8, 250.12)
- Which conductor to ground (250.26)
- Systems required to be grounded (250.20)
Main and System Bonding Jumpers
- Definitions and functions of bonding and bonding jumpers (250.28)
- Sizing main and system bonding jumpers (250.102)
- Examples
Grounding at Separate Buildings & Generators; the Grounding Electrode System
- Grounding at separate buildings and generators (250.32 – 250.35)
- Definitions and general requirements for grounding electrodes (250.50)
- List of electrodes permitted and not permitted (250.52)
- Electrodes that must be supplemented and installation requirements (250.53 & 250.54)
- The common grounding electrode (250.58)
- Grounding electrode conductors – installation and protection (250.62 & 250.64)
- Grounding electrode conductor installation requirements – continued (250.64)
- Sizing and material requirements (250.66)
- Connections to electrodes (250.68 & 250.70)
- Examples of sizing conductors
- Bonding service raceways & enclosures (250.80 – 250.92)
- Bonding for communications systems (250.94)
- Requirements for maintaining continuity & conductivity (250.96)
- Bonding of systems over 250V to ground (250.97)
- Bonding of multiple raceway systems (250.102)
- Bonding of metal water piping systems and other piping systems (250.104)
- Bonding of interconnected exposed structural metal framing (250.104)
Equipment Grounding Conductors
- Metal enclosures and fixed equipment (250.110 & 250.112)
- Types of equipment grounding conductors & identification requirements (250.118 and 250.119)
- Sizing requirements (Table 250.122)
- Examples
- Use of structural metal framing (250.136)
- Grounding of equipment by the grounded circuit conductor (250.140 & 250.142)
- Grounding receptacles and surface mounted boxes (250.146)
- Continuity & attachment of equipment grounding conductors to metal boxes (250.148)
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Credits
Engineers
7.0 PDHs
Architects
7.0 HSW CE Hours
AIA - American Institute of Architects
7.0 HSW LUs
ICC - International Code Council
0.7 CEUs (Electrical)
Continuing Education Credit Information
This webinar is open to the public and is designed to qualify for 7.0 PDHs for professional engineers and 7.0 HSW continuing education hours for licensed architects in all states that allow this learning method. Please refer to specific state rules to determine eligibility.
HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider License No: CEA362), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00049300) and North Carolina (S-0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i)(2)). Other states do not preapprove continuing education providers or courses.
The American Institute of Architects Continuing Education System has approved this course for 7.0 HSW LUs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.
The International Code Council has approved this event for .7 CEUs in the specialty area of Electrical (Preferred Provider No. 1232).
Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).
*On-Demand Credits*
The preceding credit information only applies to the live presentation. This course in an on-demand format is not pre-approved by any licensing boards and may not qualify for the same credits; please consult your licensing board(s) to ensure that a structured, asynchronous learning format is appropriate. The following pre-approvals may be available for the on-demand format upon request:
7.0 HSW LUs (AIA)
Speakers
Rick Chambers
Master Electrician at Chambers Electric, Inc. Iowa City, IAMr. Chambers is a State of Iowa Electrical Examining Board Approved Instructor and a licensed Class A master electrician with more than 48 years of experience in all areas of the trade. Teaching is one of his greatest passions and he loves passing on knowledge and skills to others. Mr. Chambers taught electrical apprentices for the Associated Builders and Contractors of Iowa for 30 years. He currently teaches classes on the National Electrical Code Update, license exam preparation, grounding and bonding, electrical theory, electric motors, transformers, motor controls, health care facilities wiring, troubleshooting, residential wiring, commercial and industrial wiring, agricultural wiring, ampacity calculations, conduit and box sizing calculations, voltage drop calculations, commercial service calculations, overcurrent protection, the NEC for PV installers, swimming pool wiring, and arc flash safety. Mr. Chambers has taught classes for seven Iowa community colleges, many Iowa industries, the University of Iowa, UI Hospitals and Clinics, the VA Medical Center, and private classes for electrical contractors. He is also a past president and past membership chair of the International Association of Electrical Inspectors, Iowa Chapter. On an unrelated note, Mr. Chambers is a two-time inductee into the Iowa Rock-and-Roll Hall of Fame.
AIA Info
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AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.
Course Title: National Electrical Code 2023: Grounding and Bonding
Delivery Method: Live Online
Course Description: This seven-hour live lecture presentation examines grounding and bonding requirements as prescribed by the National Electrical Code 2023 to protect occupants, users, and professionals from electrical shocks and fire hazards.
Learning Objectives:
Learning Objective 1:
Learners will be able to identify and define the purpose and types of grounding, as well as which systems are required to be grounded.
Learning Objective 2:
Learners will be able to reference and discuss NEC 2023 compliance standards for grounding electrode conductor materials, installation, sizing, bonding, and methods of grounding and bonding.
Learning Objective 3:
Learners will be able to examine bonding requirements for maintaining continuity and conductivity.
Learning Objective 4:
Learners will be able to discuss grounding at separate buildings and generators and grounding of equipment by the grounded circuit conductor.
LUs: 7.0 LU Type: LU|HSWs.
Prerequisites: Familiarity in electrical installation principles and understanding of building code compliance
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 06/09/2026
Complaint Resolution Policy:
Complaints regarding this course can be emailed to fchapman@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.
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