Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-df04.r1000.mx.aol.com (Internet Inbound) with ESMTP id EED4D380000BA; Mon, 10 Oct 2011 06:11:38 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RDCp2-0003KT-9V for rs_out_1@blacksheep.org; Mon, 10 Oct 2011 11:11:00 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RDCp1-0003KJ-Tf for rsgb_lf_group@blacksheep.org; Mon, 10 Oct 2011 11:10:59 +0100 Received: from mhost02c.leeds.ac.uk ([129.11.76.154]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RDCoz-0007sQ-Hf for rsgb_lf_group@blacksheep.org; Mon, 10 Oct 2011 11:10:59 +0100 Received: from APOLLO2.ds.leeds.ac.uk (apollo2.leeds.ac.uk [129.11.5.5]) by mhost02c.leeds.ac.uk (8.14.4/8.14.4) with ESMTP id p9AAAp3q020638 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT) for ; Mon, 10 Oct 2011 11:10:51 +0100 (BST) Received: from HERMES8.ds.leeds.ac.uk ([fe80::c078:16b5:73cf:6fbc]) by APOLLO2.ds.leeds.ac.uk ([129.11.5.5]) with mapi; Mon, 10 Oct 2011 11:10:51 +0100 From: Chris Trayner To: "rsgb_lf_group@blacksheep.org" Date: Mon, 10 Oct 2011 11:10:49 +0100 Thread-Topic: LF: mains wires Thread-Index: AcyHNOLPTwZrA3rrRlOasbynjoxMrg== Message-ID: <4574BD57-C0FA-4BA4-A570-079AB21D6C4E@leeds.ac.uk> References: <20111009.155855.1944.3.riese-k3djc@juno.com> <002d01cc86eb$6f677730$0401a8c0@xphd97xgq27nyf> In-Reply-To: <002d01cc86eb$6f677730$0401a8c0@xphd97xgq27nyf> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: mains wires Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=TO_ADDRESS_EQ_REAL autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:394341856:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40d84e92c4d93668 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Mal, On 10 Oct 2011, at 02:25, mal hamilton wrote: In the UK the switch is always in the LIVE (hot) wire and NEUTRAL direct to= the appliance except it happens to be a double switch. 'Is', but not always 'was' ;-) There used to be 'live chassis' radios and TVs with the single-pole mains o= n/off switch between the chassis and the neutral lead. Turn it off and the = chassis would be genuinely live ... 73, Chris G4OKW ----------------------- Dr Chris Trayner School of Electronic & Electrical Engineering, The University of Leeds, Leeds LS2 9JT, United Kingdom Tel: +44 113 34 32053 Fax: +44 113 34 32032