Archived from groups: alt.comp.hardware.pc-homebuilt (
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w_tom wrote:
> The surge protector adjacent to an electronic appliance
> provides the surge with more destructive paths through that
> appliance. I have personally confirmed this by replacing
> damaged ICs; following the surge path. Where the protector is
> located determines the protector effectiveness. Those who
> promote ineffective plug-in protectors would avoid mentioning
> this additional fact.
>
> Any protector components that will be effective at the
> appliance is already inside the appliance - an industry
> requirement. Effective internal protection that may be
> overwhelmed if a 'whole house' protection system is not
> installed. Notice what makes internal appliance protection
> effective - 'whole house' protection that is not located
> adjacent to the appliance.
>
> What does a protector inside a UPS do? It does not stop,
> block, absorb, or filter a surge. But those promoting plug-in
> protectors hope you will believe an adjacent protector will
> stop or absorb a surge. Will that silly little adjacent
> protector stop what miles of sky could not? It must to be
> effective. But it will not.
>
> Called a shunt mode protector for very good reason. To
> provide protection, it shunts (distributes the surge to all
> other wires). Now that surge is on other wires and still
> seeking what? Earth ground. An adjacent protector has
> provided a surge more paths to find earth ground,
> destructively, via your computer. What kind of protection is
> that? Ineffective.
>
> You tell me how a UPS is going to stop or block what miles
> of sky could not. That is the myth. The UPS claims
> protection from a type of surge that is typically not
> destructive. Its manufacturer hopes you will assume all
> surges are of same type. It is called mythical protection.
> Therefore that UPS avoids all discussion about earth ground.
>
> You need 'whole house' protection on every incoming utility
> line at the service entrance. Code demands such be installed
> on cable and phone line. That's right. Your phone line
> already has a 'whole house' protector installed free by the
> telco - because it is so inexpensive and so effective. But
> one utility line that typically has no 'whole house' protector
> is AC electric. AC electric is the most common source of
> destructive surges to, for example, computer modems. 'Whole
> house' would be an effective protector that costs about $1 per
> protected appliance. How much is that plug-in protector for
> protection that does not even claim to be effective? The
> better protector also costs tens of times less money.
>
> A UPS is for data protection. For hardware protection, you
> require a 'whole house' protector. They are widely available
> - even in Home Depot as Intermatic IG1240RC. Other sources
> include Leviton, Furse, Square D, Erico, etc. A benchmark in
> this business is Polyphaser. But those who never learned what
> is effective protection also never heard of Polyphaser.
>
> How to identify ineffective plug-in protectors - UPS or
> power strip. 1) Has no dedicated connection to earth ground.
> 2) Manufacturer avoids all discussion about earthing. That
> UPS manufacturer meets the criteria for ineffective twice
> over. A computer internally contains any protection that is
> effective adjacent to the computer. You must install 'whole
> house' protector so that computer's internal protection is not
> overwhelmed. The plug-in UPS manufacturer and those who
> promote the half truths will avoid these facts.
>
> I have built and tested surge protectors against lightning.
> Plug-in protectors are ineffective which is also why they are
> typically undersized. They are not selling effective
> protection. But would have others promote this myth: "surge
> protector = surge protection". It is called junk science
> reasoning. Surge protector and surge protection are two
> different components of a surge protection system. Get the
> 'whole house' protector and the most critical component in
> surge protection - the single point earth ground. A protector
> is only as effective as its earth ground - which plug-in
> protectors hope you don't learn.
>
> Yes I built them before PCs existed. They were roundly
> effective, but only when connected less than 10 feet to a
> single point earth ground.
A pile of poppycock.
>
> P T wrote:
>
>>I don't have either. Have had no problems. As for a surge protector, I
>>guess I've never had a surge. As for a UPS, the electricity in my city
>>is very reliable.
>>
>>Do you have either?
>>Know of anyone who benefitted from a surge protector?
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