I've heard of Specification Grade, Hospital Grade, Commercial Grade, Residential Grade, etc. , but this is a new one on me:
http://www.partsexpress.com/pe/pshowdetl.cfm?&PartNumber=110-439&DID=7

And take a look the price--over $150 each! And to think that these "wonder devices" are going to be hooked up to plain old garden-variety copper wires, and stuffed into common metal and plastic outlet boxes! The horror of it all! [Linked Image]

Now if somebody would come out with pure silver triple-shielded romex and breaker panels with gold plated busbars, we could start to cash in on the "audiophool" crowd. They apparently have more money than common sense....