Insulator Failure Briefly Stops BART Service at Embarcadero Station
(BANT) – BART service was restored this morning at the Embarcadero station in San Francisco following the failure of an insulator on the electrified third rail that created smoke and a loud noise in the station, BART officials
At about 10:50 a.m., an insulator blew and prompted BART officials to take a train out of service.
Insulators are on the bottom of the third rail and keep the rail from grounding, BART spokesman Taylor Huckaby said.
Metallic oxide dust can build up on a rail and cause insulators to fail, and the failure can damage a train.
The station was ventilated and the smoke had dissipated by 11 a.m.
Huckaby said no one was injured and there was no danger to passengers.
A BART dispatcher said service was recovering as of 11:08 a.m.
To try to prevent the failures from happening, crews use compressed air to clean the oxide from the rail, Huckaby said.