[114802] in North American Network Operators' Group
RE: Why choose 120 volts?
daemon@ATHENA.MIT.EDU (Dave Larter)
Tue May 26 20:25:35 2009
Date: Tue, 26 May 2009 20:23:42 -0400
In-Reply-To: <200905270019.n4R0Jl0Z010462@aurora.sol.net>
From: "Dave Larter" <dave@stayonline.com>
To: "Joe Greco" <jgreco@ns.sol.net>,
"Chris Adams" <cmadams@hiwaay.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
See:
http://www.3phasepower.org/3phasewiring.htm
-----Original Message-----
From: Joe Greco [mailto:jgreco@ns.sol.net]=20
Sent: Tuesday, May 26, 2009 8:20 PM
To: Chris Adams
Cc: nanog@nanog.org
Subject: Re: Why choose 120 volts?
> Once upon a time, Joe Greco <jgreco@ns.sol.net> said:
> > And I don't like not having anywhere to plug in my power
screwdriver's
> > recharger... I suppose I should see if I can find someplace that
has
> > a transformer of an appropriate size, or does anyone already have
the
> > part number for something that can provide a few hunderd milliamps
of
> > 120V from 208? :-)
>=20
> Isn't 208V usually provided as a connection across two phases of a 3
> phase circuit? In that case, you get 120V by going between one phase
> and neutral (no transformer required).
Yes, but this doesn't imply that you have access to those other phases.
It is easy enough to be delivered 208V single phase service in a data
center environment.
... JG
--=20
Joe Greco - sol.net Network Services - Milwaukee, WI -
http://www.sol.net
"We call it the 'one bite at the apple' rule. Give me one chance [and]
then I
won't contact you again." - Direct Marketing Ass'n position on e-mail
spam(CNN)
With 24 million small businesses in the US alone, that's way too many
apples.
