2020 NEC Changes: Overvoltage and Grounding & Bonding

By the end of this course, you will be able to:Explain why Articles 280 and 285 were combined into Article 242Describe the evolution of Article 250 since 2008Identify some of the system grounding configurations that are allowed in the NECIdentify the increased allowances and requirements for aluminum conductorsExplain the clarifications that were made for grounding separately derived systemsExplain the use of rebar as a connection pointDescribe the use of metal enclosures as equipment grounding conductorsList the allowances for re-identifying the equipment grounding conductorsIdentify the allowance for sizing equipment grounding conductors when ungrounded conductors have been increased in size