Connecting a utility-interactive PV power system can be accomplished on either the supply side or the load side of the facility’s main service disconnect.
Let’s take a look at the differences between calculated loads, demand loads, demonstrated loads, and the application of demand factors in the CE Code.
Ensuring that you have the right physical tools, NEC knowledge, as well as personal safety and intangible tools, are all critical for being the best inspector you can be.
What is the defining difference between an uninterruptible power supply (UPS) and a battery energy storage system (ESS?)
To play this game, you need a sharp eye, a quick mind and a 2023 National Electrical Code book. The NEC can be accessed for free at nfpa.org/70. (Fill-in-the-blank questions are looking for the exact word(s) used in the NEC.)
By actively promoting generator safety and reliability, electrical inspectors contribute to the protection of personnel, prevention of accidents, and the uninterrupted functioning of critical systems.
Let’s take a look at eight recent questions regarding Canadian provisions for emergency lighting.
Let's look at some of the mechanical and structural details to ensure PV systems installed on buildings remain steady during severe weather outbreaks.
Having a full understanding of how NEC requirements relate to appliance installation and use is key in our role in providing safety for the end-user.