Why choose 120 volts?

Wayne E. Bouchard web at typo.org
Tue May 26 15:19:29 CDT 2009

1) Equipment used to not be dual voltage

2) For smaller scale, 120V UPS and distribution equipment is usually

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
web at typo.org
Network Dude

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