> From: Alex Rubenstein <a...@corp.nac.net> > Date: Tue, 26 May 2009 15:43:20 -0400 > > > I have a pure curiosity question for the NANOG crowd here. If you run > > your facility/datacenter/cage/rack on 120 volts, why? > > Because we are stupid. > > > > 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. > > That makes you smarter than the average guy. > > But, if we were really smart, we'd run at least 277, or maybe > 347. Countless amounts of money would be saved on losses > (transformation), copper (smaller wire), and many other areas. Most of > the stuff we all run is already insulated for these voltage levels. > > Even better would be all two pole 2 pole 480's or 2 pole 600's, then > we wouldn't need neutrals.
Oh, yeah! Nothing sounds like more fun than working in a room full of 480 or 600 delta. I LIKE neutrals. (Sort of like I like continuing to have a functioning heart.) -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: ober...@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751