[Tfug] Why do they whine?

[Ryan Cresawn]

On Sun, Mar 30, 2008 at 2:11 PM, erich <erich1 at copper.net> wrote:
> OK,
>         I went to the recent Worldcare outdoor sale, and bought a switch.
>  Brought it back home. Connected it to my system, and plugged it in to
>  TU Electric and noticed a whine. The whine is rather annoying when you're
>  trying to sleep. I've managed to reduce the sound somewhat.
>         I noticed no ventilation holes in this thing, so the sound is
>  probably
>  not comming from a fan. What makes a switch whine?

Type "capacitor whine" into Google and you'll find many results.  I'm
not sure if it indicates any trouble.  You'll probably want to dig
deeper.

Ryan