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Electronics Question

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AmericanDemon:

Thanks guys.  I greatly appreciate all of the information given to me.  I should be able to figure it out from here.  :)

Kremmit:


--- Quote from: cholin on February 26, 2005, 05:24:53 pm ---One thing Ive always wonderred, why does a standard American plug have 3 socket holes while you only use + and -, and if the - side is ground, whats the other one?

--- End quote ---

It's a safety feature- the third hole is (more or less) earth ground.  If your 3-prong power tool has some sort of unpleasant short, it's supposed to run down that third wire, instead of your arm.

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