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Originally Posted by xoxoxoBruce
The wire from the ground block is a straight 18 ft run to the service entrance ground at the breaker box.
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18 ft wire is cable company just barely meeting NEC requirements for human safety. If concerned for household transistor safety, then utilize a solution demonstrated by Cinergy in their 'bad, good, and preferred' pictures cited earlier.
Even underground wires provide no transistor protection. Even underground wires must be 'surge protected' by connecting to a common earth ground point at the service entrance.
Above posts define secondary protection. Inspection of the primary protection system also may be necessary:
http://www.tvtower.com/fpl.html
Curious. How many actually know what a drip loop is?