The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...

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 ...

If you haven’t seen or heard yet, the 2020 edition of NFPA 70 ®, National Electrical Code ® (NEC ®), is set to hit the shelves this fall. As we at the National Fire Protection Association (NFPA) are ...

Note: This article is based on the 2008 NEC. A dwelling unit is a single structure that provides complete and independent living facilities, according to the NEC definition found in Art. 100 (Fig. 1).