Power control and energy management systems (PCS and EMS) are powerful tools that will enable the next generation of electrical systems, and the way they are featured in the 2026 NEC is a testament to ...

Article 408 covers the requirements for switchboards and panelboards that control power and lighting circuits (Fig. 1). These rules address the equipment that forms the core of a premises electrical ...

Article 250 of the National Electrical Code (NEC) focuses on grounding and bonding. This Code Article is divided into 10 separate parts — each identified by a Roman numeral. Because of the terminology ...

In the past few articles, we have looked into several different building components including structure, HVAC, roofs, in addition to performance based design. One important building component that we ...