Sure, they do just not very often (at least not here). Out here I'd imagine worn out pantograph shoes (since most trains here don't have auto lowering pantos).

Sure, they do just not very often (at least not here). Out here I'd imagine worn out pantograph shoes (since most trains here don't have auto lowering pantos). Otherwise the wrong tension on the wires or pantograph at the wrong height can cause some pretty spectacular failures. If it's happening all the time you're doing something wrong. https://youtu.be/Ou73R_wIwiA?t=113 https://youtu.be/Ou73R_wIwiA?t=113 https://www.youtube.com/watch?v=0YqLB-TMvhg https://www.youtube.com/watch?v=0YqLB-TMvhg