For a residential envrioament!!! Commercial grade doesn't go for that much!!! too bad he doesn't understand NEC requirments!! You cannot install a 20A receptale on a 15 A ckt!! What a maroon. You can install 15a DUplex on a 20a ckt look at kitchen counter ckts. And of course he claimes the body/housing makes things sound better!!! this is teh kind of nonsense that is in audiophile village, village of nudnicks. UL doesn't "approve" anything, they LIST for a specific use. another gaff by the marketeers of nonsense. They wanna say approved becasue that term is bandied about to teh unknowing. This is as dopey as the other outfit with "audio grade" outlets. Too bad there is no such thing on this planet. http://www.psaudio.com/products/powerportpremier.asp 
For a residential envrioament!!! Commercial grade doesn't go for that much!!! too bad he doesn't understand NEC requirments!! You cannot install a 20A receptale on a 15 A ckt!! What a maroon. You can install 15a DUplex on a 20a ckt look at kitchen counter ckts. And of course he claimes the body/housing makes things sound better!!! this is teh kind of nonsense that is in audiophile village, village of nudnicks. UL doesn't "approve" anything, they LIST for a specific use. another gaff by the marketeers of nonsense. They wanna say approved becasue that term is bandied about to teh unknowing. This is as dopey as the other outfit with "audio grade" outlets. Too bad there is no such thing on this planet. http://www.psaudio.com/products/powerportpremier.asp