The National Electrical Code requires several systems to reduce the possibility of fires in PV systems and to protect fire fighters.
Comprehensive antimicrobial performance test standards are under development for devices, from the performance of UV lights to bipolar ionization.
May is Electrical Safety Month and with it comes a need for a greater understanding of NFPA 70E, Standard for Electrical Safety in the Workplace.
Let’s look at the requirements regarding electrically connected life safety systems per the requirements in the National Building Code of Canada (NBC).
What does the NEC say about available arc fault current and arc flash signs? Here are a few quick slides to help get you started.
To play this game, you need a sharp eye, a quick mind and a 2020 National Electrical Code book. The NEC can be accessed for free at nfpa.org/70.
This article will examine some of the basic electrical calculations used to photovoltaic validate system design (based on the 2017 NEC)
The module and string voltages and the inverter DC inputs are critical issues since we will be experiencing widely varying weather conditions throughout the country in the years and decades ahead.
In this article, we’ll cover the marking requirements in Section 310.8 and give some examples of cable and conductor markings.