Home Automation Domotica Forum Europe, Bwired Forum

I have seen these devices and wondered do they actually work ? I'm trying to get my head round how it stabilizes everything and offer surge protection for the whole house ?

http://cgi.ebay.co.uk/ELECTRICITY-SAVIN ... 286.c0.m14

There was a topic about this (cant find it, but its bullsh*t).

Alexander