ION - Waterloo Region's Light Rail Transit

[danbrotherston]

Stupid question... is the lower "wire" the only one that is electrified, and the top one is for guidance, or do they both get powered?

Coke

Both are powered. They are both offset from the support poles with insulators.

I seem to recall as well, at the open house, the technicians mentioning that the top wire was also the wire which carries the majority of the current, hence it being thicker.