Andreas Neumann wrote:
> Electrical theory says it doesn't make any difference if you
> contact ground or power first.

Most theoretical descriptions only hold as long as the simplifying
assumptions made in their formulation do. Even if your circuit is
totally isolated from anything else it can be any potential whatsoever
and it always has a certain capacity against its surroundings. The
ground plane typically is the most robust part to take the initial
inrush.

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