w_tom wrote:

Appliances already contains a dike.

A $50 microwave contains a dike but a $100 protector doesn't?

Internal protection
that can be overwhelmed if the primary and secondary
protection systems are not installed. What is the most
critical component of primary and secondary protection
systems? Earth ground. But Zerosurge avoids that discussion.

They discussed it for me.


The protection built into appliances is sufficient when part
of a protection 'system'. Internal protection alone is
insufficient without the primary and secondary protection
'systems'.

Mine was insufficient with primary and secondary protection.


What is this transient picked up by a building's grounding
system especially during thunderstorms? If that transient
was so destructive, then nearby lightning would destroy
electronics literally tuned to the destructive frequencies of
lightning - AM radios. How many AM radios inside cars are
damaged after every thunderstorm.

What frequencies are most destructive? A car radio doesn't pick up a
surge from a building's grounding system because the car isn't grounded
to it (or to earth).


Why is that damage number virtualy zero? Because those
mythical surges created by nearby lightning strikes are
promoted only on myth - without numbers.

Did you ever read where lightning kills a whole herd of cows standing
under a tree? That's the ground surge. That's why in a thunderstorm
you should not stand near a tall tree and not lie down but crouch with
your feet together.



Choreboy demonstrates another myth:
.. the power company's grounding rods will pick up the surge
and bring it right to your house.

The Telco repairman told me their lightning damage usually comes from
surges brought to homes by the power company's ground. Last week a
retired lineman verified that the ground wire will bring in lightning
surges from many miles around.

An example of 'lying by telling half truths'. A problem
eliminated when using the single point earth ground.

To the contrary, the power company recommends a three-point ground. The
lineman had to install one at his house because lightning surges kept
destroying his well pump.


Again Choreboy muddies the water:
Earth ground is for human protection, ...
Yes. And it is also required for transistor safety - as was
posted both previously and repeatedly.

My car has no earth ground. It has sat through many thunderstorms wih
no damage to its electronics. The lack of an earth ground can mean a
static shock for humans.


Instead Choreboy states:
Earthing once cost me a computer.
Then he contradicts himself:
Zero Surge says a protector won't protect your equipment
if the earth grounds aren't bonded.
Which is it? Earthing causes damage or earthing is necessary?

If it hadn't been for those two ground rods (installed by two utilities)
my computer would have been fine. If you are grounded, you need proper bonding.

Choreboy does not even
know what inside each appliance was damaged.

I'm glad you asked. I went through my TV and my stereo to see what
parts had been zapped. The list was so long that I threw the appliances away.


Choreboy had damage due to defects in his earthing system
which he eventually admits to.

The telephone ground had nothing to do with my stereo or TV. The only
thing that killed them was voltage between hot and neutral, which got by
my whole-house protector.