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Anatomy of a Disaster

This is the BIG problem plaguing our subway system in DC. This one does not appear to be a failing power connector. If you look closely towards the bottom left there appears to be a bit of trash, possibly tin foil caught on the insulator holding the 3rd Rail, allowing it to arc to ground and the travelling rail. 700 Volts at 6,000 Amps makes a hell of a boom when it is shorted!

 
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Posted by on May 6, 2016 in News, Uncategorized

 

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