[114764] in North American Network Operators' Group
Re: Why choose 120 volts?
daemon@ATHENA.MIT.EDU (Wayne E. Bouchard)
Tue May 26 16:20:35 2009
Date: Tue, 26 May 2009 13:19:29 -0700
From: "Wayne E. Bouchard" <web@typo.org>
To: Seth Mattinen <sethm@rollernet.us>
In-Reply-To: <4A1C455E.5080103@rollernet.us>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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
web@typo.org
Network Dude
http://www.typo.org/~web/