So what can be done to protect lives and property? Organizations have developed standards, are developing new code rules, and are recommending guidelines to help minimize damage.
Nearly every week, I get calls and e-mails from inspectors, plan reviewers, photovoltaic (PV) professionals, engineers, and electricians asking about areas of PV system installation that are not clearly addressed in the National Electrical Code (NEC).
Per the CE Code, a neutral of each separately derived ac system must be connected by the grounding conductor to the dedicated grounding electrode. True?
To address the need for cord-and-plug-connected multiple receptacle devices to provide power to medical equipment in patient care areas of health care facilities, UL Certifies (Lists) cord-and-plug-connected health care facility outlet assemblies (HCOA).
NFPA 70B, Chapter 32, is a recommended practice that contains information supporting the development of an electrical preventive maintenance program.
To take this code quiz on disaster recovery in the 2017 NEC, you'll need a sharp mind and a copy of the 2017 National Electrical Code book.
This feedback demonstrates that there are plenty of misconceptions among the electrical designers, contractors, and regulators on certain provisions of the legally adopted National Building Code of Canada (NBC) and the CE Code on electrical equipment.
Are there any Certified (Listed) products available to meet new PV rapid shutdown requirements inside the array boundary?
UL Product iQ database is the next generation of UL’s Online Certifications Directory and access to it is free; contains the same trusted UL certification info in a modern, user-friendly database.