Same as the outlets in the wall. I don't know what those are either though. I grounded myself on a switch that I thought was turned off, but wasn't. Not a pleasant experience.
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1997 Mustang GT "The Freak" - 13.80 @ 101.70, 2.07 60'
1995 Honda VFR750 - not much @ really fast (actual data pending.)
1964.5 Mustang 289
Rice Haters Club Member #13
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