cleaning circuit contacts

[Mike Rambo]

Alan Garrison wrote:

> I have some old ISA cards, and with dust and my continually
> sweaty fingertips, I am wondering if anyone knows of a
> cleaning liquid that they are *sure* is safe to use to clean
> bus leads/contacts with.  I am thinking that isopropyl alcohol
> may work (if I recall high school chemistry, this doesn't
> conduct electricity), but I don't know if it will result in
> corrosion.  I don't think plain tap water will work, since
> it may discharge any charge build up in capacitors (?, I'm
> guessing here).
>
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I've used a pencil eraser for years to clean contacts of that sort - has
worked well for me.

Mike Rambo
Media & Electronics Specialist
Lansing School District