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1. 120V from 250V 3 phase? (score: 1): Author: Brian Kemp <bk13@earthlink.net>; Date: Wed, 01 Oct 2003 17:25:24 -0700; I have a power problem in the office I'm going to be moving into shortly. I have a rack of computer equipment that needs a dedicated 120V 20A circuit that doesn't exist in the new location. What I do; /html/shop-talk/2003-10/msg00002.html (8,071 bytes)
2. RE: 120V from 250V 3 phase? (score: 1): Author: "Randall Young" <Ryoung@navcomtech.com>; Date: Wed, 1 Oct 2003 23:33:22 -0700; I agree, you've got a problem. The main issue is that your computer equipment wants both a safety ground and a neutral, and you don't know which is in your outlet. The easiest "quick & dirty" soluti; /html/shop-talk/2003-10/msg00003.html (7,930 bytes)
3. RE: 120V from 250V 3 phase? (score: 1): Author: "Ron Schmittou" <rs1121@earthlink.net>; Date: Thu, 2 Oct 2003 10:16:25 -0500; Your right about the three hot legs and one ground. Each of the hot legs is a different phase (power generation companies produce 5 phases per generator) Normally I have always called this a 440 circ; /html/shop-talk/2003-10/msg00005.html (9,846 bytes)
4. Re: 120V from 250V 3 phase? (score: 1): Author: Donald H Locker <dhl@chelseamsl.com>; Date: Sat, 4 Oct 2003 10:31:50 -0400 (EDT); Be VERY careful following this advice. Ground and neutral _are_ tied together at the service entrance, but should never be tied together anywhere else. Neutral is a current carrying conductor and can; /html/shop-talk/2003-10/msg00014.html (12,941 bytes)

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