You said it. NEC is concerned with 60 Hz safety, not RF.
Bruce
Sent from my iPad
> On Jan 13, 2016, at 5:05 PM, EZ Rhino <EZRhino@fastmovers.biz> wrote:
>
> I'm not in disagreement with you Jim, but then why doesn't NEC specify to do
> things for lightning protection such as commonly followed by nearly all
> commercial tower installations? Such as multiple ground rods, flat strap,
> star grounds, etc? (Think Polyphaser's docs). We know that one ground rod is
> woefully inadequate for a direct hit. If NEC is all about lightning, why
> doesn't is specify using more than one? It sure seems like NEC is about the
> bare minimum for AC protection and when it comes to RF and towers, it doesn't
> really give much pertinent info at all.
>
> Chris
> KF7P
>
>
>
>
>
>
> On Jan 13, 2016, at 15:49 , Jim Brown wrote:
>
> On Wed,1/13/2016 2:35 PM, N3AE wrote:
>> The NEC is focused on electrical safety and not necessarily the most
>> effective system for lightning protection.
>
> This is NOT true. The bonding required between your tower and power system
> sub-panel is for LIGHTNING protection.
>
> In general, proper bonding is critical for lightning protection, electrical
> safety, fire safety, and to minimize hum, buzz, and RFI. Proper bonding is
> described in
>
> http://k9yc.com/GroundingAndAudio.pdf
>
> I'm not going to repeat it here for those too lazy to study it.
>
> BTW -- I TAUGHT courses on Power and Grounding for about ten years.
>
> 73, Jim K9YC
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