Codes & Standards

Practical application of NFPA 70E requirements necessitates that an employer and their qualified employees have a solid understanding of all rules in their workplace’s standard. However, NFPA 70E cannot address...

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. Circuit...

Let’s finish our walk-through of the changes to Chapter 3 in the 2023 National Electrical Code. Then we can start looking at Chapter 4. 342.24 Bends. The cable and raceway...

I was on a phone call with two extremely knowledgeable city electrical plan reviewers addressing a question about lighting circuits for emergency power in 700.16 and how 700.17 and 700.18...

The North American electrical safety system relies heavily on three key components: installation codes, product safety standards and compliance inspection. One of the most important objectives for electrical contractors—aside from...