You're right, but it's highly depending on the used construction
materials... The building I live in, is quite like a Faraday cage -
reinforced concrete. Even higher frequency radio signals have a tough
time entering, mostly through the windows.
What I wanted to underline is that, even if the house would be build
like a Faraday cage, any conductor from the outside represents a
potential dangerous ingress path.
Of course, the generated fields would affect any sensitive equipment,
but with the low impedance path of an antenna cable, even the less
sensitive ones could suffer catastrophic failure. Not to neglect are all
the other conductors entering from the outside - power lines, metallic
pipes, etc.
"Full protection" is quite difficult, almost impossible, to obtain, but
an antenna cable is the preferred path.
On 4/12/2012 6:02 PM, Attila Kinali wrote:
On Thu, 12 Apr 2012 17:39:57 +0300
MailLists<li...@medesign.ro> wrote:
Regarding the TBs, even if they are the only ones directly connected to
the antenna, the cable is already punching through the house Faraday
cage, and chances are quite high that the lightning discharge won't stop
at them.
A house isnt a faraday cage. Not by far. Unless you live in a box made out
of solid 5mm steal plates.
If a lightning hits your house directly and is going down the lightning
rod down into earth there is a good chance that the electric and magnetic
fields you have in the house will fry sensitive electronic equipment....
Attila Kinali
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