2026 NEC Analysis of Changes - Part 3 - Article 440 through Article 625

This online course analyzes the major changes to the National Electrical Code (NEC®) for the 2026 cycle. Members of the eighteen NEC® code-making panels contributed to the development of the authoritative text used in this online course.

The course covers more than 100 of the most significant code changes in articles 440 through 625. Specifically, the course examines equipment for general use, specific occupancies and specific equipment.

Upon successful completion of this course, the student will be able to:

• Identify code changes related to air-conditioning and refrigeration equipment
• Understand generator and capacitor code changes
• Explain code changes related to stationary batteries
• Discuss code changes related to equipment over 1000 volts ac and 1500 volts dc
• Summarize Hazardous (classified) locations code changes
• Explain code changes related to Class I Locations and commercial garages, repair and storage
• Identify cannabis oil equipment and systems code changes
• Understand code changes related to aircraft hangers and motor fuel dispensing facilities
• Describe code changes related to health care facilities
• Discuss code changes related to carnivals, fairs, manufactured buildings and relocatable structures
• Understand agricultural building code changes
• Explain code changes related to mobile and manufactured homes
• Describe code changes related to recreational vehicles, marinas and docking facilities
• Summarize electric signs and outline lighting code changes
• Identify code changes to manufactured wiring systems
• Explain code changes to elevators, dumbwaiters, escalators, moving walks, platform lifts, and stairway chairlifts
• Understand electric self-propelled vehicle power transfer systems (ESVSEs) code changes
• Discuss code changes related to electric vehicle power transfer systems

Mike Ornoski

Mike Ornoski has been with the City of Phoenix since 2004 and in total has 34 years of experience in the electrical and construction industry, Mike Ornoski brings unmatched expertise and leadership to his role with the City of Phoenix Planning & Development Department (PDD) and the Arizona Builders Alliance (ABA).

Mike’s career began with an electrical apprenticeship with the ABA, leading to roles as an electrician, electrical foreman, and owner/operator of an electrical contracting business before transitioning into public service as an Electrical Inspector and later as an Electrical Inspections Field Supervisor with the City of Phoenix.

Since 2014, Mike has managed PDD’s commercial inspection team, which includes specialists in fire, structural, plumbing, mechanical, combination (PBI), and electrical inspections. In this role, he works closely with the development community to ensure projects meet code compliance and progress smoothly.

Mike excels at managing complex construction projects, collaborating with inspectors, developers, contractors, owners, and design professionals to solve problems and keep projects on track. He also has 12 years of teaching electrical code (NEC). Electrical instructor for the Arizona Building Officials (AZBO) teaching commercial, industrial and residential electrical code classes. He is also a contributing publication code review editor for the Soares Grounding and Bonding & One- and Two-Family book publications through Independent Alliance of the Electrical Industry.