07-27-2017, 01:54 PM
(07-26-2017, 06:41 PM)Canard Wrote: So if the polarity of the contact wire and rails were reversed, it wouldn't work? I'm assuming the contact wire is negativley charged then, since electricity flows from - to +, right?
If polarity were reversed a flood would short the circuit and the TPSS breakers would trip. In the case of normal polarity a flood would still allow the ground return to operate in the same fashion.