this post was submitted on 20 Jun 2025
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Shouldn’t be a grounding issue as you said that you buried it.
It's a 200' cable and the buildings each have their own connection to the power company. I suspect that the earth potential of the two buildings is quite different - I just have not figured out a way to measure it yet and not sure if there's anything I can do to fix it even if I do confirm it.
Pull a copper wire from one ground to the other?
I guess that's what I haven't figured out yet - it's about 200' and I don't have 200' of wire laying around. I'm thinking of making dummy terminations for each end of my cat6 cable and stripping each of the pairs and twisting them together so it works as a single conductor and using that to measure.