The arc causes an ionization of the air, and arc flash temperatures can reach as high as 35,000 degrees Fahrenheit. This is hotter than the surface of the sun." ...

According to Hawaiian Electric (HECO), the arc flash left 3,000 customers in parts of Downtown and Chinatown without power. The outage caused by a fire Monday night dragged into Thursday afternoon ...

Two Belmont Light workers were hospitalized Tuesday morning after an arc flash inside a manhole near Belmont High School. The workers were transported to Massachusetts General Hospital to be ...