I don't know John, I honestly don't know about this sort of technology.
However I don't think that it warrants the use of a mad smiley.
I'm all for electrical safety, I should be, that is 9/10ths of my job.

Someone has had a good enough idea, I think that they should be given the chance to market the thing, if it dies, it dies, however, if people take it up, so be it, all power to the guy wanting to make a change.