On Wed, 13 Oct 2010 02:36:56 GMT, (Doug Miller)
wrote:

In article , wrote:

And while we're at it, the code also says you can use a 20 amp single
outlet on a 15 amp circuit,

It says no such thing.
If it is fused at 15 amps it doesn't matter what kind of plug is on
the end (as long as it is rated for at LEAST 15 amps - the circuit is
protected. - code issues - if any- aside.