Too bad a substantial amount of equipment doesn't allow for redundant plugins. The ability to plug { servers | routers | whatever } into two totally separate power feeds is nice.

Anyone for building a rackmount transfer switch for two inputs? Assuming it didn't fail (!) -- would the economies of scale work for or against it compared to big transfer switches? Between dealing with _much_ smaller current levels and the opportunity for mass production, what are the chances of something like this working?

I'm not sure if this is exactly what you're looking for, but: http://www.apc.com/products/family/index.cfm?id=14&web_displayed= List price is between $359 and $559, depending on if you want network management and how many outputs. -- Kevin