ROSSLYN, Va.—The National Electrical Manufacturers Association (NEMA) published NEMA GD 4-2020 COVID-19 Cleaning and Disinfecting Guidance for Electrical Equipment. Managing the SARS-CoV-2 (COVID-19) virus requires proper cleaning and disinfecting of equipment, so Members...
The 2020 version of the NEC just took a leap forward for at least one of these two locations with changes to a rule that has been a long-standing requirement for many years – the six (6) disconnect rule found in 230.71.
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.
Many industrial processes use electrically powered heat trace systems. Installers with little experience in this application think that heat trace cable is used to keep water pipes from freezing, but this is just the beginning.
Some installers of electrical equipment have a bit of difficulty in differentiating ground fault circuit interrupters and ground-fault protection. And what is the difference between a typical overcurrent protective device and a ground-fault circuit interrupter?