Perhaps more than any other Code revision cycle in recent memory, there were a significant number of changes to the 2020 National Electrical Code (NEC)® that will have a dramatic effect on the residential construction environment.
In order to truly understand the implications of the changes to the measuring provisions of Section 210 in the 2020 National Electrical Code (NEC), one must go back and review how we arrived at that point.
Although changes to the 2020 National Electrical Code for PV systems have been covered in previous issues, this article compares the 2017 requirements with the 2020 requirements and determines how clarifications have been made.
The 2020 edition of the NEC addresses many of the electric shock hazard concerns addressed by the 2017 edition and subsequent Tentative Interim Amendments (TIA)s concerning electric-shock drowning (ESD).
Kitchen islands have been getting bigger and bigger for years. How big does the island need to be to require more than one receptacle outlet to be installed? The 2020 NEC requirements answer that question.