I have noticed that a couple of my strat-type guitars are about twice as noisy as a couple of others when plugged in but not played. It's not a 60 cycle click but rather a continuous loud buzz or crackle. When I touch the strings or bridge, it largely goes away. Now, I have heard someone say that the guitar is either properly grounded or shielded when it does this and to not worry because with the band playing, it makes no difference. Well, my playing is virtually all late at night with most of the family asleep, and the noise is really irritating. I know the problem can be corrected, as my two other strat-styles are much quieter. Thanks for the help.