Codes & Standards

One of my passions, other than the National Electrical Code (NEC), has been fire alarm systems, as covered by NFPA 72, National Fire Alarm and Signaling Code. When I was...

Jim Dollard has an extensive background in codes and standards. If you have a query about the National Electrical Code (NEC) , Jim will help you solve it. Send questions...

Selecting the correct size conductor is not difficult, but it involves more than just selecting a conductor based on the ampacity shown in Table 310.15(B)(16) in the National Electrical Code...

The 2020 National Electrical Code (NEC) is well into its development process with issuance anticipated in 2019. During the first-draft stage, there were a few changes related to rules for...

Jim Dollard has an extensive background in codes and standards. If you have a query about the National Electrical Code (NEC), Jim will help you solve it. Send questions to...