No, just hanging on the shelf right now, the wire is bent around a small bit on there. I touched it to the PP-1 but nothing happened.
Oh, I forgot to mention, I can still hear the hum when the turntable is off (the PP-1 is always on as long as it's plugged in, it hasn't even gotten warm being on for months straight so I don't worry about it), but it's a bit higher in pitch, and it gets lower when the turntable is on, and touching/squeezing the ground wire like before still has an effect on or off (turntable).
Hmm...I just tried unplugging the turntable and the hum was much quieter, and touching the ground wire actually made it louder (with turntable unplugged). Weird