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Posted by Bob F on June 6, 2008, 1:10 pm
>
>> On Thu, 5 Jun 2008 07:53:25 -0400, "John Grabowski"
>>
>>>
>>>> Every summer I lose at least one modem from lightning (on dialup). I
>>>> try to shut off the computer during storms, but then I can not view
>>>> the weather radar and watch for alerts. I try to stay online until
>>>> the storm gets quite close before shutting down, but I have lost a few
>>>> modems from distant strikes. Surge protectors have their limitations,
>>>> but anything that helps is worth doing.
>>>>
>>>> However, I have had several answering machines and cordless phones die
>>>> too. In rural areas it seems these surges are worse than in a city.
>>>> To protect everything, I'd have to install quite a few surge
>>>> protectors to handle every phone device in the house. My questions is
>>>> whether there is a WHOLE HOUSE surge protection device that I can buy,
>>>> and install at the phone block where the line enters the house? That
>>>> would be better than numerous surge protectors.
>>>
>>>
>>>
>>>I suggest that you look at the grounding electrode system for your house.
>>>Do you have a good waterpipe connection? Do you have ground rods installed?
>>>Is your telephone demarcation block bonded to either the waterpipe or the
>>>ground rods? Is your cable TV demarcation block bonded to the waterpipe or
>>>ground rods? If you don't have a well grounded system then surge protectors
>>>won't help a lot. Lightning wants to go to earth and by providing a good
>>>direct path there it will avoid your appliances.
>>
>> My service panel is grounded at the pole, which is right outside the
>> house. This is a farm, and that pole provides power to multiple
>> buildings. However, the electric service is not the problem, it's the
>> phone line. This is a trailer house. When the phone company
>> installed the phone line, they grounded the phone line to the steel
>> beam under the trailer. Since the trailer beam has cinder blocks
>> under it, it's really not grounded at all. Maybe I should add a
>> ground rod and connect the phone line. I always thought this was not
>> an adaquate ground. The only real ground path is the metal skirting
>> that contacts the ground around the house, and I am not certain if
>> that beam under the house is actually contacting the trailer house
>> aluminum siding. So, in reality, there is no REAL ground.
>>
>> Thanks
>
>
> Installing a ground rod just for the phone line is probably the cheapest way
> to go.
I thought that multiple, separate ground rods caused a problem.
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