[MakeLV] Cap going bad?

[whatever]

your meter might have a cap setting, if not one of us at the space might.

On 12/23/2011 1:19 PM, Josiah Ritchie wrote:
>
> Yeah, but I'm not talking about the leads on the bottom. I'm talking 
> about the top.
>
> JSR/
>
> On Dec 23, 2011 1:09 PM, "Will" <staticphantom at gmail.com 
> <mailto:staticphantom at gmail.com>> wrote:
>
>     The cap is rated to 200V but will not operate at 200V unless the
>     supply operates at that voltage. It is customary practice to try
>     and get cap rating voltages 10% or higher above the operating
>     voltage for safety and reliability.
>
>     -Will
>
>     On Fri, Dec 23, 2011 at 1:00 PM, David Smith
>     <david at davincisciencecenter.org
>     <mailto:david at davincisciencecenter.org>> wrote:
>
>         Doesn't sound right... Isn't the case supposed to be (-) or
>         ground?
>
>         Dave
>
>         On Fri, Dec 23, 2011 at 12:36 PM, Josiah Ritchie
>         <josiah at josiahritchie.com <mailto:josiah at josiahritchie.com>>
>         wrote:
>
>             I'm messing around with another old pc power supply and
>             found that the top of one of the 200v 330mF caps is giving
>             150v when connected to ground. Is this normal? The other
>             caps have no problems.
>
>             Yes, I discovered this through physical contact with the
>             cap. My wife thought a small animal was released in the
>             room by the yelp I made. :-)
>
>             JSR/
>
>
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>
>
>         -- 
>         David L. Smith, Ph.D.
>         Director, Teacher Professional Development
>
>
>
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