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Article #1522Re: Tingles from power supply
From: Eeyore
Date: Sun, 08 Mar 2009 19:37
Date: Sun, 08 Mar 2009 19:37
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1718 bytes
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. Sounds typical. > Still, I thought these things were meant to be completely isolated. Has > there been a change of approach? Perfectly allowable under IEC60065. I bet I even know which component's causing it. Graham
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