On Mon, Mar 30, 2009 at 3:48 PM, John Jason Jordan <[email protected]>wrote:
> On Mon, 30 Mar 2009 12:08:59 -0700 > Guy Letourneau <[email protected]> dijo: > > > > There is a lot of electronic equipment and wiring in the room, but I > > > can't get rid of any of it. > > > > > > If anyone has any suggestions I'm all ears. Literally. > > > Ground each piece of equipment to your electrical ground in the > > conduits. For multiple boxes, be sure that each ground path branches off > > from the ground wire but does NOT form ground LOOPS. In other words, if > > you have three boxes A, B, and C, then if you ground A to the wall and > > then tie B to A, and then you may tie C to either A, B, or directly to > > the wall elsewhere. HOWEVER: > > I very much doubt it is a ground problem. Would not a ground problem > produce a hum? Specifically a 60 Hz hum? I know what a 60 Hz hum sounds > like and this is nothing at all like that. This is a wailing that > varies in frequency and intensity as you move around or as a bird flies > overhead. > > Anyway, all the equipment is plugged into the same circuit. And I did > all the wiring in this house myself so I know everything is well > grounded. Not only that but I have double the code requirements for > grounding - I have two water bonds and four 10 foot copper rods buried > 15 feet apart outside. You can sit by an outlet in my house and watch > the stray electrons in the air being sucked into the ground holes. OK, > maybe not. Wait, electrons flow the other way, don't they. Oh well. I > find it difficult to believe that it has anything to do with grounding. > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug > Do you have a cell phone with a GPRS radio? How close is your wireless router to the desktop? Completely out of left field but I've had GPRS equipped cell's cause RF interference when they periodically ping the tower on all types of equipment from audio sources to TV's. _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
