Re: Tingles from power supply

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#1514

From: J.A. Legris
Date: Sun, 08 Mar 2009 14:56

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On Mar 8, 10:35 am, Sylvia Else <syl...@not.at.this.address> wrote:
> Sylvia Else wrote:
> > I've recently bought a D-Link DIR-300 wireless router. While
> > disconnecting its power supply from it, I got a tingling sensation when
> > I touched the plug (to be clear, I'm talking about the 5V DC plug, not
> > the mains plug).
>
> > An AVO meter shows about 90V AC to earth from either side of the 5V
> > plug. Short circuit current to earth is about 0.1mA.
>
> > Still, I thought these things were meant to be completely isolated. Has
> > there been a change of approach?
>
> > Sylvia.
>
> Apparently it's normal, and is related to RFI suppression.
>
> Sylvia.

Just think, the only thing between you and the great beyond is a thin
layer of ceramic material, possibly contaminated with who-knows-what,
bearing a certification logo of dubious authenticity. It's time to
invest in some rubber-soled slippers.

--
Joe

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From: "J.A. Legris" <jalegris@sympatico.ca>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Tingles from power supply
Date: Sun, 8 Mar 2009 07:56:31 -0700 (PDT)
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