1) Equipment used to not be dual voltage 2) For smaller scale, 120V UPS and distribution equipment is usually cheaper
3) 120V embedded itself into operations as a result. 4) We're all lazy and hate change. On Tue, May 26, 2009 at 12:39:10PM -0700, Seth Mattinen wrote: > I have a pure curiosity question for the NANOG crowd here. If you run > your facility/datacenter/cage/rack on 120 volts, why? > > I've been running my facility at 208 for years because I can get away > with lower amperage circuits. I'm curious about the reasons for using > high-amp 120 volt circuits to drive racks of equipment instead of > low-amp 208 or 240 volt circuits. > > ~Seth --- Wayne Bouchard [email protected] Network Dude http://www.typo.org/~web/
