alt Hacker News> 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."
> 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."
With positive ground the traditional more-sacrificial spark plugs lasted longer.