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Fig 10. Connecting grounding to the screening of the coaxial antenna cable by spirally winding it around the screening. Be careful not to damage the screening of the coax cable. Waterproof this connection with for instance rubber tape. |
Even when a house has no lightning grounding installation, consisting of a conducting network on the roof and down going conductors around the house (like in figure 11), there are a number of measures possible which you can take yourself.
With these measures a relative good level of security against damage caused by a lightning hit can be achieved, if also the measures under 1, 2 and 3 are taken.