Re: Tingles from power supply

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#1520

From: Archimedes' Lever
Date: Sun, 08 Mar 2009 17:06

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On Mon, 09 Mar 2009 01:35:03 +1100, Sylvia Else
<sylvia@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.


  You're an idiot, and it is related to your 100% lack of grasp of
electronics.

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From: Archimedes' Lever <OneBigLever@InfiniteSeries.Org>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Tingles from power supply
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