There's been a possibly important development in the investigation of the Washington Metro subway crash which killed nine people on Monday. Investigators found that one of six electrical circuits that ...

The National Transportation Safety Board on Tuesday deemed the short circuit the "probable cause" of the April 10, 2022 tragedy that killed Robinson Lalin. Red Line trains like the one involved in the ...

Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

The National Transportation Safety Board (NTSB) recently determined that the probable cause of an April 10, 2022, Massachusetts Bay Transportation Authority (MBTA) passenger fatality was a short ...

Four models of HD Hyundai Electric’s low- and medium-voltage circuit breakers have received UL and cUL certification [HD HYUNDAI ELECTRIC] HD Hyundai Electric has received UL certification for four of ...