On 1/13/2012 3:52 PM, Jim Lux wrote:
> On 1/13/12 12:11 PM, Stan Labinsky Jr. wrote:
>> Jim, hello;
>>
>> Your question about sharp bends caused me to re-investigate that statement.
>>
>> "http://www.protectiongroup.com/ProtectionTechnologyGroup/media/PTG/WhitePapersandTechnicalNotes/1485-013.pdf?ext=.pdf";
>>
>>
>> is where it came from. I've seen the good result from following this
>> group's recommendations.
>
> but the question really is, are their recommendations overkill.
>
> For instance, they talk about skin effect, which is real, and does
> increase AC resistance, but in a typical system, AC resistance isn't the
> problem, inductance is, and flat strips just don't have that much less
> inductance than the same cross section of copper in some other shape
> which might be easier to use/cheaper, etc.
I settled on bare #2 stranded for all of my grounding system. It's
worked well through at least visually 17 verified strikes to the big
tower and we've lost nothing in the house from the 17 strikes.
73
Roger (K8RI)
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