> I don't think I've encountered anything else that requires negative voltage re... | Hacker News

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		swed420 32 days ago \| parent \| context \| favorite \| on: Data centers are transitioning from AC to DC > I don't think I've encountered anything else that requires negative voltage relative to ground Automotive collectors can probably still relate to cars from the 1920s-50s having a "positive ground."

fuzzfactor 32 days ago [–]

With positive ground the traditional more-sacrificial spark plugs lasted longer.

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