On Wed, 10 Oct 2007 19:43:00 -0400, Wayne Clodfelter wrote: > yes, well, that is where the harm would come from NOT having the > computer plugged in. One might think he had grounded himself, when > in fact he had not. Could very well be. Grounding can also be accomplished by contacting metal plumbing, but not PVC pipes. I suppose the water itself is grounded, so contacting a metal faucet would ground whether the pipes are metal or PVC. . . . . . . . . . . . . . . . . . . . . . . O'Brien