[Amps] Ham sells fine grit thing to clean contacts

[Tom Osborne]

Someone told me once that strips of paper from a brown paper bag works 
good for cleaning relay contacts.  73
Tom W7WHY


On 8/16/2015 6:13 PM, Jim Hargrave wrote:
> Sandpaper is a no no on relay contacts. It leaves minute sand
> particles imbedded in the contacts, especially silver plated ones.
> Use a metal contact file or good grade of extra fine Emory cloth.
>
> 73, Jim - w5ifp at gvtc.com
>
>