[time-nuts] Thoughts on lightning protection measures....

[Azelio Boriani]

I have 2 TBolts but now I'm thinking to buy others to save them from the
sacrifice...

On Thu, Apr 12, 2012 at 3:58 PM, Jim Lux <jimlux at earthlink.net> wrote:

> On 4/12/12 6:22 AM, Michael Baker wrote:
>
>> Time-nutters--
>>
>> Around here (N. Central Flori-DUH) it is not uncommon for
>> near-by lightning strikes to damage underground cables and
>> wiring. This is why buried wiring to things like driveway
>> gate-openers are often placed in conduit rather than done
>> with direct-burial wiring so that if lightning damages the
>> wiring a new cable can be pulled through the conduit without
>> having to re-dig the burial trench.
>>
>> Some years ago I had occasion to hold some long discussions
>> with Martin Uman, one of the worlds most distinguished and
>> eminent lightning researchers. He commented that even with
>> the most extraordinary and costly efforts to install protection
>> measures, that-- sooner or later-- there was a good chance that
>> lightning would find a way to damage things.
>>
>>
>
> Dr. Uman (and his colleague Dr. Rakov) probably know about lightning and
> effects than any other humans alive.   He's making an excellent point: at
> some point, the cost to replace the gear (or the cost of being "off the
> air") is smaller than the cost of the protection scheme.
>
> Sometimes, you're better off having a sacrificial element, and a spare in
> the closet for speedy repair.
>
>
>  His lightning research laboratory was located here in
>> N.Central Florida because it is in the heart of the most
>> dense strike area in N. America.
>>
>
>
>
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