RE: [APD] IceCap ballasts hype or not?

["S. Hieber" <shieber at yahoo_com>]

That's the best advice yet if you live in zap town.  MOVs
are what's known in the trade as sacrifical parts -- his is
because the sacrificy themselves in the performance of
their duties.  Unfortunately, they also sacrifice your
equipment once they've sacrificed themselves.

There are some surge protectors that work by blocking the
surge (or most of the surge) rather than sending it to
ground or shorting it between hot and neutral -- these have
no sacrifical parts and are used sometimes in critical
applications like hospitals.  Yet, the whole house method
is probably the most economical way to address the problem
seriously.

Scott H.
--- Bill Wichers <billw at waveform_net> wrote:
> Surge
> protectors work by 
> effectively shorting the wire to ground and shorting out
> the surge. Large 
> surges heat the protectors up enough to destroy
> components (I have a nice 
> example of this from a lightning strike here).
> 
> If you have frequent problems with lightning you should
> consider a "whole 
> house" protector -- and not one of the $20 hardware store
> units that are no 
> different than a plug strip type unit. Polyphaser makes
> some good ones that 
> are about $400. They rely on gas discharge tubes instead
> of MOVs, and can 
> take much larger strikes many more times. Might be worth
> looking into if 
> you've had a lot of lightning problems in the past.
> 
>          -Bill
> 
> 
> *****************************
> Waveform Technology
> UNIX Systems Administrator
> 
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