Comment on I had some that looked exactly like this

• onion@feddit.de ⁨1⁩ ⁨year⁩ ago

  Grounding, to make sure the containers stay at the same electric potential

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• nao@sh.itjust.works ⁨1⁩ ⁨year⁩ ago

  Not only at the top, there’s also cables at the bottom between sections and what looks like a cable duct mounted in front of it with a bunch of cables coming out at the top

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  • onion@feddit.de ⁨1⁩ ⁨year⁩ ago

    The cable duct looks like ac lines, and the yellow cables at the bottom are probably grounding

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