Aluminum iMac + iPod Classic = Electrical Shock!

If I happen to touch the aluminum case of my iPod Classic and either the iMac's aluminum frame or the aluminum keyboard, I get a nice 110-volt AC shock. The iPod isn't generally connected to the iMac--it's connected only to a sound system through the headphone outlet. It's not connected to an AC power source.
Anyone have an idea what's happening? The iMac is grounded. Thanks in advance for any suggestions.
Racer Ralph

Your welcome!
The following outlet testers will only test grounded outlet circuits.
http://electrical.hardwarestore.com/15-62-circuit-voltage-testers/receptacle-tes ter-281667.aspx
To test polarized (ungrounded) circuits in an older home you really need a multi meter and a ground source or a Non-Contact tester to check for proper polarity.
http://electrical.hardwarestore.com/15-62-circuit-voltage-testers/non-contact-ci rcuit-alert-154716.aspx
Have a look at the following article, it shows the difference between a grounded and polarized (ungrounded) household circuits.
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/hsehld.html
Also note: that for both grounded and polarized (ungrounded) outlets the 110v a/c power should be coming from the smaller of the two blade slots.
Dennis

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Resolution
Collapse All | Expand All
Mac OS X
Log in to your computer using an administrator account.
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Message was edited by: PhillyPhan

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Aluminum iMac + iPod Classic = Electrical Shock!

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