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.

A searing flash of fluorescent ... color back and forth to orange and red. The arcs themselves are blue, other colors appear if something is being burned by the arc (wood, oil or other materials).” ...

Arc flash incidents are more common in certain low voltage and high voltage equipment than others. Recent incident investigations present an insight that isn’t necessarily in the field of vision ...

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 ...