Codes & Standards

The National Electrical Code Section 700.10(A) requires all boxes and enclosures­—including transfer switches, generators and power panels that are part of an emergency system—to be marked so they are readily...

More documentation is being required in the National Electrical Code and NFPA 70E, the Standard for Electrical Safety in the Workplace. The words “documented” or “documentation” appear in the 2017...

Jim Dollard has an extensive background in codes and standards. Send questions about the National Electrical Code (NEC) to Jim at codefaqs@gmail.com. Answers are based on the 2020 NEC. Getting...

How do You keep up with the news? About 25 years ago, NFPA subscribed to a news clipping service. I received articles from a range of media sources with key...

The National Electrical Code has several requirements applicable to emergency systems, legally required standby systems, essential electrical systems and optional standby systems. From a basic performance standpoint, the standby power...