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submitted 4 months ago by sabreW4K3@lazysoci.al to c/energy@slrpnk.net

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[–] FistingEnthusiast@lemmy.world 0 points 4 months ago (1 children)

There is usually a current present in the rails already

Either traction current, signalling current for track circuits, or both

Depending on the way the signalling system has been engineered

[–] solidheron@sh.itjust.works 0 points 4 months ago (1 children)

Hmmm neat. I guess those are high voltage signals

[–] FistingEnthusiast@lemmy.world 0 points 4 months ago

Definitely not

Sometimes in the order of mere milivolts