National Electrical Safety Code

Upcoming dates (1)

Oct. 19-21, 2022

Madison, WI

Course Overview

During four days of intensive, interactive discussion and classroom exercises, you will learn about the code's origin and purpose, legal aspects, code compliance, clearances of overhead lines, conductor and structure mechanical loading, underground systems, grounding requirements, supply stations and safety rules.

Who Should Attend?

  • Anyone responsible for the design, construction, operation, maintenance, or safety of electrical or communications supply systems 
  • Electrical Engineers 
  • Technicians
  • Line workers
  • Electricians

Additional Information

This class requires the latest NESC codebook. The new NESC is scheduled to be released in August 2022. It can be purchased in print or PDF format at IEEE website once released. 

Earn 1.7 CEUs, 17 PDHs with this course.

Course Outline


Origin and Purpose of National Electric Safety Code® (NESC)
(Sections 1, 2, and 3) 

  • Organization and content
  • Committee structure and revisions
  • Application principles and interpretations
  • Definition of terms and standard references

Understanding Legal Aspects of the NESC®

  • Standard of care
  • Theories of liability and negligence 
  • Legal defenses
  • Preparing for litigation

Conductor Mechanical Loading Conditions

  • NESC® loading districts
  • Transverse, vertical, and longitudinal loads 
  • Tension limits and safety factors
  • Sag and tension characteristics
  • Ruling span and stringing sag charts

Safety Rules for Overhead Lines (Part 2)

  • General requirements
  • Uniform system of clearances
  • Clearance components and tables
  • Vertical clearances above ground
  • Clearances to buildings and structures 
  • Attachments to buildings
  • Clearances to support structures and clearances between conductors
  • Climbing and working space
  • Illustrative clearance examples and problems

Safety Rules for Overhead Lines: Structures and Equipment

  • Grades of construction
  • Overhead capacity factors
  • Strength factors
  • Overload line equipment
  • Illustrative structural strength examples and problems

Requirements for Underground Systems (Part 3)

  • General requirements
  • Conduit and cable systems 
  • Pad-mounted equipment

Complying with the NESC®

  • Design and construction standards 
  • Routine inspections
  • Hazard recognition, correction, and documentation
  • Public education
  • Litigation case studies

Grounding in Compliance with the NESC® (Section 9)

  • Definitions
  • Grounding requirements, equipment, and methods

Electric Supply Stations and the NESC® (Part 1)

  • Access, security, and clearances
  • Equipment installation and maintenance

Rules for the Operation of Electric Lines (Part 4)

  • Responsibility for safety
  • General safety practices
  • Approach distances to energized lines and equipment
  • Personal and line protective equipment 
  • Tools
  • Switching and tagging

Course Wrap-up and Evaluation


"John [Miner] is an expert on the NESC and it was refreshing and informative to attend the class."
—Alan R. Kasanow, Senior Engineer, Indianapolis Power and Light, Indianapolis, Indiana


R. John Miner

R. John Miner, PE, is president of Collaborative Learning, Inc. of Austin and San Antonio, Texas and has more than 40 years of experience in the electric utility industry. A course instructor for the University of Wisconsin for more than 20 years, Miner has conducted educational programs throughout the country and at several overseas locations. He earned a BS degree in electrical engineering with honors and an MS degree in engineering science from the University of Toledo.

Shalini Bhat

Shalini Bhat, PE, is a program director at the Office of Interdisciplinary Professional Programs at the University of Wisconsin—Madison. She has over 15 years of experience in the power industry. Previously, she has worked at Schweitzer Engineering Laboratories and Cooper Power Systems. Most recently, she was a Senior Distribution Protection Engineer for seven years at WE Energies in Wisconsin.

Upcoming dates (1)

Program Director

Shalini Bhat

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