Electrical Maintenance2020 NEC® Changes: Overvoltage and Grounding & Bonding

2020 NEC® Changes: Overvoltage and Grounding & Bonding

SKU: RV-11543

Duration: 1.00 Hr

This interactive online course covers the changes in Articles 242 and 250 of the National Electrical Code®. The new article 242 contains the requirements for overvoltage, or surge, protection. Article 250 covers the grounding and bonding of systems and equipment. Notable changes include the creation of Article 242 and deletion of Article 280 and 285, a new section addressing the bonding of equipment on the line side of the service, specific requirements for aluminum conductors, limiting the role of rebar in the grounding electrode system, fixing an error about the sizing of bonding jumpers, reducing the identification requirements for equipment ground conductors, and providing relief for the sizing of equipment grounding conductors in certain applications.

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Course Details

Learning Objectives

By the end of this course, you will be able to:

Explain why Articles 280 and 285 were combined into Article 242
Describe the evolution of Article 250 since 2008
Identify some of the system grounding configurations that are allowed in the NEC
Identify the increased allowances and requirements for aluminum conductors
Explain the clarifications that were made for grounding separately derived systems
Explain the use of rebar as a connection point
Describe the use of metal enclosures as equipment grounding conductors
List the allowances for re-identifying the equipment grounding conductors
Identify the allowance for sizing equipment grounding conductors when ungrounded conductors have been increased in size

Specs

Course Level	Intermediate
Languages	English
Compatibility	Audio, Video, MobileReady

Ryan Jackson

Author

Ryan Jackson is a combination inspector in the Salt Lake City, Utah, area. He began his career as a carpenter while in high school, and began doing electrical work at the age of 18. At the age of 23 Ryan landed his first job as an electrical inspector, and subsequently became certified in building, plumbing, and mechanical inspection, as well as building and electrical plan review. Two years after becoming an inspector, he was approached by a friend in the area asking him to fill in at an electrical seminar for him. After his first class he was hooked, and is now a highly sought after seminar instructor. Ryan has taught in several states, and loves helping people increase their understanding of the Code.

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