[TowerTalk] Fwd: WHOLE HOUSE SURGE SUPRESSORS

[Pete Smith]

Thanks Paul (and Jim).  I knew I had read about all this before, but...  
So our choice is what basically?  Spend $200-700 per surge protector, or 
use none at all?

73, Pete N4ZR

The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000



On 1/3/2011 10:59 AM, Paul Christensen wrote:
> Pete,
>
> Surge diversion to the ground conductor can raise the ground potential
> unequally between equipment.  If the rise and fall of the ground potential
> is equal across interconnected equipment on a branch circuit, there's little
> issue.  During a surge event, small amounts of resistance can create large
> amounts of potential difference between grounded equipment.
>
> By storing the surge energy and slowly dissipating it onto the neutral (a
> conductor actually meant for carrying current), the surge event does not
> create a potential difference between grounded equipment:
>
>   http://www.surgex.com/library/22001.html
>
> http://www.brickwall.com/how-it-works.html
>
> > From the descriptions in the above links, you can see why the ONLY place for
> "all three modes" of MOV protection is at the service entrance.
>
> Paul, W9AC
>
>
>
>
>
> ----- Original Message -----
> From: "Pete Smith"<n4zr at contesting.com>
> To:<towertalk at contesting.com>
> Sent: Monday, January 03, 2011 10:13 AM
> Subject: Re: [TowerTalk] Fwd: WHOLE HOUSE SURGE SUPRESSORS
>
>
>> Why is this, Paul?
>>
>> 73, Pete N4ZR
>>
>> The World Contest Station Database, updated daily at
>> www.conteststations.com
>> The Reverse Beacon Network at http://reversebeacon.net, blog at
>> reversebeacon.blogspot.com,
>> spots at telnet.reversebeacon.net, port 7000
>>
>>
>>
>> On 1/3/2011 10:01 AM, Paul Christensen wrote:
>>>> The gold standard is to have both... whole house to protect heavy
>>>> equipment
>>>> like AC compressors, etc. then end-point protectors for LCD TVs,
>>>> refrigerator CPUs, PCs, Ham Radios, etc.
>>> But only if the secondary suppressors are single mode (fault current path
>>> to
>>> neutral), rather than devices that offer the popular "all three modes" of
>>> protection.  If secondary protection is desired after installing a
>>> whole-house protector, it should only be single mode (e.g., SurgeX,
>>> Brickwall, ZeroSurge).  Except for the whole-house surge protector,
>>> "three
>>> modes of protection" devices have no place in a home.
>>>
>>> Paul, W9AC
>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>