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Here's another one I found at the same harbor in Tacoma, WA but on a different dock access ramp.

I don't know what kind of tubing was used to take the place of flexible conduit here but I certain it's not LFNC or any other code approved conduit.

It almost looks like a vacuum hose but I'm not sure.

Tristan S.

[Linked Image from electrical-photos.com]