Codes & Standards

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. Circus...

I became the secretary of the National Electrical Code in the summer of 1989. Work on the 1990 Code had just been completed, and the closing date for the 1993...

When an area containing flammable or combustible material is properly classified and the electrical installation is appropriately designed and installed, these areas are no more dangerous than any other location...

At a grounding class, someone asked how to determine if a standby generator is required to be grounded as a separately derived system. The key to determining this is to...

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. RVs...