Although the National Electrical Code (NEC) is the most significant publication for electrical installations in our industry, it’s also the most intimidating — especially to those new to the field.

There is a growing complexity of electrical systems in retail and commercial buildings, from lighting and HVAC to automated systems and security. Reliable electrical systems underpin modern commercial ...

Electrical equipment’s dedicated space requirements are an example of an X/Code, defined as a crossover code or when one code affects another. That is the case in this situation because plumbers (and ...