westom wrote:
On Jun 11, 1:27 pm, bud-- wrote:
Martzloff has written "the impedance of the grounding system to `true
earth' is far less important than the integrity of the bonding of the
various parts of the grounding system."

Why do telcos all over the world not waste money on plug-in
protectors?

Gee - why wouldn't telcos use plug-in suppressors for their switches? Um
- one reason may be because the switches are high amp hard wired and the
thousands of phone circuits would have go through the suppressor?

A protector is only as effective as its
earth ground.

The required religious mantra along with the drivel that has already
been debunked. westom is a fan of Josef Goebbels and thinks if you
repeat a lie often enough, people will believe it.

But - surprise - still no reliable source that agrees with westom that
plug-in suppressors are NOT effective.

And surprise - still missing, answers to any of the simple questions:
- Why do the only 2 examples of protection in the IEEE guide use plug-in
suppressors?
- Why does the NIST guide says plug-in suppressors are "the easiest
solution"?
- Why does the NIST guide say "One effective solution is to have the
consumer install" a multiport plug-in suppressor?
- How would a service panel suppressor provide any protection in the
IEEE example, page 42?
- Why does the IEEE guide say for distant service points "the only
effective way of protecting the equipment is to use a multiport
[plug-in] protector"?
- Why did Martzloff say in his paper "One solution. illustrated in this
paper, is the insertion of a properly designed [multiport plug-in surge
suppressor]"?
- Why does Dr. Mansoor support multiport plug-in suppressors?
- Why aren't airplanes crashing daily when they get hit by lightning (or
do they drag an earthing chain)?
- Why does "responsible" manufacturer SquareD says "electronic
equipment may need additional protection by installing plug-in
[suppressors] at the point of use"?
- Why don’t favored SquareD service panel suppressors list "each type of
surge"?

For real science read the IEEE and NIST surge guides. Both say plug-in
suppressors are effective.

--
bud--