On Saturday, October 24, 2015 at 1:11:34 PM UTC-4, trader_4 wrote:
Again, the IEEE guide to surge protection says you're wrong:

Classic knowledge without one technical reason why ... and not even any numbers. Why no numbers? His entire knowledge comes from those two citations - that he intentionally distorts. We know he must be correct. He says so.

Another discussion where posters have extensive knowledge and experience:
http://lists.contesting.com/archives.../msg00327.html
Lightning and ground systems
The basic scenario is to install a Single Point Ground
System that is installed at the building entry. It
shunts everything to ground before it goes in the
building. If you can keep it outside, then you don't
really have to do much inside.