Re: is third transformer hole an earth?

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#112

From: Paul Hovnanian P.E.
Date: Tue, 11 Nov 2008 02:46

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Peter Hucker wrote:
> 
> On Sun, 09 Nov 2008 16:51:43 -0000, lars <lars@testbox.tld> wrote:
> 
> > Peter Hucker:
> >
> >> Power bricks are plastic and don't need to be earthed for safety reasons.
> >> His question, which nobody has answered yet,
> >> is whether the supply NEEDS an earth to operate correctly.
> >
> > The answer is no.
> 
> Then I wonder what it's connected to?  The plastic chassis?  What good does that do?

Internal surge supression/EMC circuitry.

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Paul Hovnanian     mailto:Paul@Hovnanian.com
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