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Message-ID: <1381993527.5852.49.camel@archlinux>
Subject: Re: UPS buying suggestion
From: Ralf Mardorf <ralf.mardorf@alice-dsl.net>
To: freebsd-questions@freebsd.org
Date: Thu, 17 Oct 2013 09:05:27 +0200
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On Thu, 2013-10-17 at 08:51 +0200, Ralf Mardorf wrote:
> On Thu, 2013-10-17 at 14:29 +0800, Erich Dollansky wrote:
> > Industry is much worse. Their machines made early computers fail when
> > the bigger machines started work.
> 
> I worked for an audio company. The audio workshops were rented rooms on
> a farm, and the boss missed to check the values of the RCCB, which
> nearly killed a friend. Bigger machines are a PITA ;). The RCCB had a
> value that high, that it was dangerous to life for an audio workshop. A
> big machine not only pollutes the mains, if you turn it on, it also will
> "eat" the complete power and lots of it going in, doesn't come out. A
> "normal" RCCB would turn off immediately.

PS: That was just a farm, so there were no electric arc furnaces or
similar ;).