Date: Fri, 18 Oct 2013 12:09:07 +0800 From: Erich Dollansky <erich@alogt.com> To: Frank Leonhardt <frank2@fjl.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: OT: UPS buying suggestion Message-ID: <20131018120907.6d436250@X220.ovitrap.com> In-Reply-To: <525FE9B7.6080307@fjl.co.uk> References: <CACo--msUpY-6r7MkuEvrPDpSVdFZyBotSA-eS7aLGMFDeq_vDQ@mail.gmail.com> <alpine.BSF.2.00.1310150911510.97788@wonkity.com> <CACo--mvUfcAy=0hyun21DZwSmdd=SmP7EeU-FVxJyiT_h4Rxkg@mail.gmail.com> <525F0138.1020304@fjl.co.uk> <20131017093820.6a8428de@X220.ovitrap.com> <alpine.BSF.2.00.1310162309200.14022@wonkity.com> <1381988697.5852.16.camel@archlinux> <20131017142910.61325830@X220.ovitrap.com> <1381992680.5852.45.camel@archlinux> <525FD4C8.1090600@fjl.co.uk> <1382015420.5852.97.camel@archlinux> <525FE9B7.6080307@fjl.co.uk>
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Hi, On Thu, 17 Oct 2013 14:44:23 +0100 Frank Leonhardt <frank2@fjl.co.uk> wrote: > On 17/10/2013 14:10, Ralf Mardorf wrote: > > On Thu, 2013-10-17 at 13:15 +0100, Frank Leonhardt wrote: > >> On 17/10/2013 07:51, Ralf Mardorf wrote: > >>> On Thu, 2013-10-17 at 14:29 +0800, Erich Dollansky wrote: >=20 > Bemessungsdifferenzstr=C3=B6me =3D residual current rating (i.e. trip > current). 1A! No good to stop a human being zapped, but might prevent > a fire in the circuit. It'd be completely illegal in England, > including in the workplace (I THINK). Certainly no more than 30mA for > shock protection (or 10mA for low-voltage application like 110V. I > know it's possible to fit 300mA where only fire prevention is needed; > I've never seen anything higher than that, but I'm not an electrician. 1A? No, the maximum I heard of is 30A. All devices with a rating of more than 30mA are used mainly in an industrial enviroment. I am sure that they are legal also in England for that purpose. Erich
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