Dear Technetters,

I shall bring my two cents here.. to make you aware of very recent Fire
consequences..

In NYC, a fire started in a upper floor building causing the sprinklers to
switch on
and water the not only the fire, but also the above floor... where there was
167 Internet servers.. flooded ...
The electricity did not switch off because all those computers were under
UPS
(Un-interrupted Power Supply)...

Best regards
Roland


----- Original Message -----
From: Matthias Mansfeld <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, August 10, 1999 10:30 AM
Subject: Re: [TN] "Green" Technologies...


> Hi Steve,
>
> the reason why I shut down all my equipment (some CAD
> workstations including a "server" under Windows NT, a small IR
> reflow oven) every evening (I disconnect all with a big red main
> switch) is the possible fire hazard. I feel better if I know the only
> three boxes which can burn my office are the fax machine, the
> answering machine and the telephone switching system.
>
> In a former life, had a PC power supply which exploded with
> spectacular smoke production. It was unpowered, but not disconnected,
> and thus the main input EMC filter was under power. And you know how
> this cheap stuff is built: no fire proof metal housing, and the whole
> PC power supply PWB was burnt..... Imagine what happens if nobody
> with a cup of water is near (after unplugging!! ;-)  )
>
> One of my board manufacturers lost his whole plating equipment
> because it was powered overnight and a little mouse had the
> opportunity to produce a little short circuit, too small for
> firing the fuses but big enough to burn the house.
>
> Just my two cents
>
> Matthias
>
> P.S.: I was seven years in a voluntary fire brigade. About the half
> of all fires were technical defects in powered, unattended electric
> or electronic devices......
> -----------------------------------------------
> Matthias Mansfeld Elektronik
> * Printed Circuit Board Design and Assembly
> Am Langhoelzl 11, D-85540 Haar, GERMANY
> Phone: +49-89-4620 0937, Fax: +49-89-4620 0938
> E-Mail: [log in to unmask]
> Internet: http://www.mansfeld-elektronik.de
>
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