On Fri, 06 Jan 2017 01:36:40 -0000, FromTheRafters wrote:

After serious thinking James Wilkinson Sword wrote :
On Thu, 05 Jan 2017 21:20:58 -0000, wrote:

On Thu, 05 Jan 2017 21:02:28 -0000, "James Wilkinson Sword"
wrote:

20 feet deep. How deep is the concrete in your floor? 6 inches?

The 20 feet is horizontal.

If it's not below the water table, no conduction.

All materials conduct, some better than others.

And in this case it's so insignificant it's nothing. Lightning might go through it....

--
Peter is listening to "Hollywood Undead - Turn Out The Lights"