On Sun, 21 Jan 2007 02:02:05 UTC, The Natural Philosopher wrote:

James Salisbury wrote:
Slightly off topic;

I am looking for a supplier of good transient suppression equipment and a
overvoltage protection unit. My parents are living out in a rural part of
spain and are having problems with the mains killing electronic equipment.
Yes I do know of Farnell, but I was wondering if there was anywhere
cheaper?

I can think of two technologies that actually work. One is a UPS with
batteries where the mains charges the batteries and the batteries power
an invertor.

What about a UPS which treats an overvoltage the same as an undervoltage
(i.e. switches to batteries on overvoltage)?
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