Orchid XP v8 <voi### [at] devnull> wrote:
> Nope. As the Wikipedia article explains, there are sprung-loaded plastic 
> covers that only move out of the way as the earth pin is inserted.

  Is it guaranteed that the difference in potential between the earth pin
and the physical ground is always very close to zero?

  Because AFAIK there may be surprisingly large potential differences
between the earth pins of neighboring buildings at some places.

-- 
                                                          - Warp

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