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Surge protector, roll your own

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Surge protector, roll your own Rob Mills 07-11-2005
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Posted by w_tom on July 12, 2005, 9:15 pm


Joules are a measure of energy. But that is all irrelevant
to MOVs. For MOVs, joules defines life expectancy. More
specifically, how fast the MOV will degrade. The manufacturer
defines MOV failure mode: degradation - not vaporization.
Joules is the parameter that defines that life expectancy.

Tony Hwang wrote:
> Hi,
> Joule is not a measurement of power it is unit of energy.
> Let me put it this way, if you get a direct hit nothing uch will
> work.
> Telling from real world experience.
> And real protector for whole house costs a lot. And surge current
> is much faster than breaker or fuse.
> Tony


Posted by CL (dnoyeB) Gilbert on July 13, 2005, 9:07 am

> After the last one had me going, I can't wait to see how this one
> transpires..
> Searcher
>
The last one In retrospect dumping the salt OUT OF the bags into wheel
barrow ( clean) spreading around the pool with shovel might of been a better
idea, to bad I didn't think of that.



Posted by Bob S. on July 12, 2005, 10:47 am




Rob Mills wrote:

> Been snooping around and notice that the cheap (office depot and etc)
> plastic strip (5 recep) surge protectors have only one MOV but the more
> expensive ones have one MOV at each receptacle. Looks to me as if you could
> use metal recep boxes that would hold two or three receps and place a MOV
> across each recep, put a metal cover on it and a short 3 wire 12 gauge cord
> and have a much better surge protector to protect sensitive equipment for
> not much more than the computer/office stores want for the plastic cased
> ones.

What's wrong with pulling the wall receptacle and placing a MOV across
the hot/ground terminals? Gets rid of the ugly box, protects anything
plugged into it plus down-stream receptacles. Of course you'd have to
remember where it was in case it ever shorted.

Bob S.



Posted by Rob Mills on July 12, 2005, 7:42 pm

Posted by w_tom on July 12, 2005, 9:08 pm

> After the last one had me going, I can't wait to see how this one
> transpires..
> Searcher
>
The last one In retrospect dumping the salt OUT OF the bags into wheel
barrow ( clean) spreading around the pool with shovel might of been a better
idea, to bad I didn't think of that.



Page 2 of 3       < 1 2 3 > last >>
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