[Gllug] UPS & line filtering

[Tethys]

"Martin A. Brooks" writes:

>They basically work.  But by  "protect" they usually mean "cut the power 
>faster than a conventional fuse would".

Some do, some don't. The ones I have basically clean the supply, filtering
out any spikes. If the threshold of what they can successfully filter is
exceeded, then yes, they cut the power. But that's better than having your
computer damanged...

Tet
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