Can a metal conduit line that is sitting right on top of a copper water line cause a leak in the copper line?

I think water is leaking from the copper line in my basement. I did a little research and somehow found out about electrolysis of metals. Iam not completely sure if its the copper line cause the kitchen sink is leaking above it, but i see no water on the conduit line or basement ceiling only the copper line is discolored and water is leaking from it.

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