A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage the ...

Low-voltage circuit breakers are predominant in virtually every electrical power system. Several years ago, Shermco Industries surveyed NETA-accredited companies for the IEEE Electrical Safety ...

The Barrington Model CBS (Circuit Breaker Simulator) was designed to be a convenient, light weight alternative to operating high voltage circuit breakers while testing the operation of substation ...

If you’ve ever experienced even a mild electrical shock, you know how powerful—and frightening—it can be. There are more than 50,000 electrical fires in the U.S. every year, and close to 400 people ...

The PME-500-TR represents a breakthrough in the concept of testing, timing and condition-based analysis of medium- and high-voltage circuit breakers and combinations with disconnectors. The PME-500-TR ...

One characteristic of adding PV solar to homes is a massive increase in high-voltage and high-current DC installations. With this comes a need for suitable breakers, but without the requisite ...

Prasad Kandula and Marcio Magri Kimpara set up testing of ORNL-developed medium-voltage circuit breakers that use affordable semiconductors to protect grid systems that use direct current. Researchers ...