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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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