Submitted by "NJwirenut":

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Here's a picture of a nice section of what was once 3/4" EMT running around the side of an indoor swimming pool. This was still live, carrying power to some non-GFCI receptacles fed from a Federal Pacific "no-trip" subpanel. Looks like a crack developed in the pool wall, leaking water onto the conduit for years.

Bob Weiss (NJwirenut)