Re: radio works on DC but not AC
From: Sam Goldwasser (sam_at_saul.cis.upenn.edu)
Date: 10/15/04
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Date: 15 Oct 2004 08:20:55 -0400
fmmck@aol.com (Fred McKenzie) writes:
> << my mother recently had her radio stop working so she tried plugging another
> one into the same outlet but it does not work anymore either and the same
> thing happened to a third.......blender works fine in that outlet but radios
> continue to stop working unless they are used with batteries but the AC
> won't work . >>
>
> Target-
>
> Try other outlets. If the radios do not work in other outlets, try them at a
> neighbor's house. If ANY of these radios works in ANY outlet, the trouble is
> most likely not with the radios, but with your Mother's house wiring.
>
> In some areas, outlets have two power wires and one ground wire. An appliance
> that uses a three prong plug could be making one of its power connections by
> way of the ground wire. If the radios have plugs with only two prongs, they
> wouldn't work if there was an open connection in one of the power wires. This
> condition could be dangerous.
Unless the radios are quite old, they won't use the Ground for anything.
Even if 3 prong, they can't for safety reasons use the Ground.
Since virtually all radios and blenders are 2 prong, this probably
doesn't matter anyhow.
> Of course you might just have three bad radios.
Do the radios still work on AC in other outlets?
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