Welcome to Chapter 2 of the 2023 National Electrical Code. This is always the most modified chapter because so much of the Code depends on it. 200.2 General. Previously, this...

The shift from fossil fuels to electric in the quest to reach net-zero emissions by 2050 just hit a snag with the copper shortage. A July 2022 S&P Global study...

The inventor’s skill is imagining solutions or gadgets that make work easier, safer and faster. If others find the innovation valuable and the inventor profits from their creation, even better...

Renewable energy is making waves across the United States, and it may shed light on the future of energy generation trends in the country. Data from the U.S. Energy Information...

Almost as contentious as the chicken and egg debate, “Are managers and leaders the same?” has been pondered for years. The terms can be used interchangeably. There are some similarities...

In June, Pacific Gas & Electric Co. announced that it would begin moving 10,000 miles of power lines underground to reduce instances of wildfires. The project, valued at $15 billion...

Solar cells have always been renewable sources of energy as the sun’s energy seems to be in limitless supply, and much solar energy goes unused. Improvements in materials used to...

Electric buses are predicted to make up 44% of new bus sales and comprise a majority of the global bus fleet by 2040, according to Bloomberg. As adoption of electric...

Jim Dollard has an extensive background in codes and standards. Send questions about the National Electrical Code (NEC) to Jim at codefaqs@gmail.com. Answers are based on the 2020 NEC. Agricultural...

Spacing heat or smoke detectors can be quite confusing. Many factors must be considered, such as the ceiling type where you plan to install them (flat, smooth ceilings; joisted or...