When calculating feeder or service circuit loads, what's the minimum you can use? The answer is in 220.40 (the first subsection of Art. 220, Part III). The total calculated load on a given feeder or ...

Part III of NEC Art. 220 provides requirements for the calculated load of specific applications (after covering general loads and general lighting). Do you know the types of loads that are covered ...

Members of the National Fire Protection Association (NFPA) recently concluded discussions on updating Article 220.12 of the NEC (National Electrical Code) to align with a series of energy codes, as ...

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 ...