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Article #9555Nit pick -- Re: ANOTHER house wiring question (this one's basic)
From: Richard S D'Ippolito
Date: Thu, 17 Jan 1991 16:15
Date: Thu, 17 Jan 1991 16:15
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In article <14404@milton.u.washington.edu> John Whitmore writes: >> The two wires that come from the pole are both hot, > > Miscount! Three wires come from the pole: two phases of >120 VAC and neutral. That neutral wire is grounded to the same >water pipe and grounding block in your breaker box as the >ground and neutral wires connect to. Sorry, there are NOT two phases -- it is a single phase circuit with a center tap common. Therefore, there is no technical "neutral", although the term has stuck to the common by analogy. Rich
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!o.gp.cs.cmu.edu!fs7.ece.cmu.edu!sei!rsd From: rsd@sei.cmu.edu (Richard S D'Ippolito) Newsgroups: sci.electronics Subject: Nit pick -- Re: ANOTHER house wiring question (this one's basic) Message-ID: <10102@as0c.sei.cmu.edu> Date: 17 Jan 91 16:15:37 GMT References: <14404@milton.u.washington.edu> Reply-To: rsd@sei.cmu.edu (Richard S D'Ippolito) Organization: Software Engineering Institute, Pittsburgh, PA Lines: 15