Electrical arcing incidents — which can lead to track fires — have more than doubled on Metro since last summer — a spike that undermines the agency’s contention that safety and reliability are ...

The National Transportation Safety Board said the smoke in the Metro tunnel near L'Enfant Plaza was caused by electrical arcing, which occurs when electricity escapes its prescribed path. Metro has ...

Researchers in the US have built a new smart tool that has the ability to instantly spot abnormal power grid conditions that result in wildfires, equipment damage and blackouts. The platform was ...

Imagine a cockpit without the phalanxes of button-type circuit breakers. The breakers have been distributed to where they are needed throughout the aircraft. In fact, the breakers are of a new arc ...

FRIENDSHIP HEIGHTS, Md. (WJLA) — Another arcing insulator issue caused problems for commuters at the Friendship Heights Metro station. Metro experienced problems throughout Monday morning on the Red ...

Fog rolling off the open Rideau River near Lees Station condensed and froze to the LRT’s overhead power lines in the area during a Jan. 4 freezing rain storm, adding to an ice build-up that exceeded ...