[TowerTalk] Grounds, 'remote' towers, 'house' power system

[Roger (K8RI) on TT]

I would add that lightening usually comes in via these other routes far 
more often than the tower(s) depending on station location and height of 
the towers.

73

Roger  (K8RI)


On 1/14/2016 Thursday 1:05 AM, Jim Brown wrote:
> On Wed,1/13/2016 3:58 PM, Bruce Jungwirth wrote:
>> You said it. NEC is concerned with 60 Hz safety, not RF.
>
> Lighting IS RF. It is not a DC event. It is not even a low frequency 
> event.
>
> Yes, NEC is concerned with safety. That includes lightning, electrical 
> shock, and fire. It is a BUILDING CODE, and it carries the force of 
> LAW when it is adopted by the local authority having jurisdiction over 
> a given building. Specifically, it is a set of MINIMUM requirements.
>
> Yes, earth connections are important for lightning protection, but the 
> most critical element for all of those concerns is BONDING, not the 
> perfection of earth connections.
>
> As hams, we zero in on antennas as the conductor that brings lightning 
> into our homes, while in reality, lightning comes in on power lines, 
> telephone lines, and CATV systems too.
>
> 73, Jim K9YC
>
>
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-- 

73

Roger (K8RI)


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