The rules for Electric Vehicle Charging Systems are outlined in Art. 625 of the 2011 NEC. As noted in the definitions section of this article (625.2), a Personnel Protection System is "a system of ...

Overvoltage protective devices are key to an effective overvoltage protection strategy, but only if correctly selected and installed.

Since the early days of electric power systems, protection has been essential for the operation and safeguarding of power system assets as well as the safety of its users. Developed for the ...

The methods of protecting electronics from circuitry failures and managing inrush current at power on has evolved significantly from a simple fuse and maybe a P-channel FET to much more sophisticated ...

Cyberattack on an electric power T&D communications system can have a devastating impact and cause widespread power outages as evident from the December 2015 cyberattack on a Ukrainian electric power ...

As concerns about grid security increase globally, it’s a good time to review the history, scope, and effect of North American electric system reliability standards. As the threat landscape changes, ...

Melby Electric is helping Snohomish County homeowners prepare for the upcoming 2026 NEC code adoption. The initiative ...