Surge protection?

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Post on controversial technical issues. Usually involving simple science that is contrary to popularly held viewpoints. Another urban myth is a widespread belief (almost a worship) in Arctic Silver. Again so many advocate the stuff without any knowledge or consideration of the numbers; without any experience in thermal equations or thermal conductivity. Plug-in surge protectors are widely promoted but technically inaccurate myths. Why? Even before WWII, science understood that surge protection is earthing; not some magical plug-in box. The science is quite simple - and so rarely understood.
James Hart wrote:

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Most American's don't have a clue how to measure with real units though and this guy's quoting metric in his posting. A rare catch indeed if he is form the US of A!! ;o)
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Hi
Computer power supplies contain all the filtering and surgeproofing they need for running on mains. If they didnt the manufacturers would be forking out a lot to disgruntled customers and lawyers.
House contents insurance normally already covers computers against lightning damage.
Computer PSU failures are no lower than they were 10 years ago.
A 4 way mains strip costs 2 now.
Regards, NT
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