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w_tom w_tom is offline
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Default Intermatic Whole House Surge Protector ?

Are you insane? It is routine to have receptacles attached a
breaker box. With simple technical grasp of facts, then a receptacle
located only feet from the breaker box would be an alternative. Is
that so difficult? Well yes if one ignores impedance. It's this
difficult. Longer wire means high impedance which is why a six cord
power cord is cut as short as possible. Two EE Times front page
articles were provided so that trader could learn what is important -
low impedance. Trader never read it. Instead trader complains
because he cannot find an AC receptacle. Trader, please stop asking
for help to find an AC receptacle. Ask your mom.

Cutting feet off that protector wire is significant for a kludge
protection system. Even sharp wire bends diminish protection. Trader
would know that from reading front page EE Times articles entitled
"Protecting Electrical Devices from Lightning Transients". Then
trader’s next post could be questions based in technology and tempered
by numbers.

How does protection inside a computer get bypassed? Where does the
black wire connect? Where does the green wire connect? Protection
inside a computer is substantial where the black wire connects. A
green wire surge finds an easy and direct connection - near zero
protection - into motherboard electronics. Plug-in protector connects
a black wire surge directly into the motherboard - completely
bypassing computers best protection. Surge was shunted (connected) to
green wire by the plug-in protector.

Page 42 Figure 8 also shows what may happen when an adjacent
protector does not earth a surge. A surge was earthed 8000 volts
destructively through the TV. Same failure created by a protector
without earthing was traced through a network of powered off computer.

How curious. Where surge damage must never happen, plug-in
protectors are not used. Effective surge protection is routinely
earthed where wires enter the building and up to 50 meters distant
from the computer. Let's see. Damage to electronics because the
protector was too close to electronics and too far from earth ground.
No damage when protector is attached to earth ground and up to 50
meters distant from electronics. What were you saying about 100 years
of no damage when protectors are short to earth ground and separated
from electronics? Oh. Trader is still having difficulty finding a
wall receptacle near the breaker box. No time to learn the science
in an article entitled "Protecting Electrical Devices from Lightning
Transients"? Too much reality?

Wire impedance is so significant that manufacturers even consider
impedance on one inch MOV wires leads. .

Many apartments have such good earthing that only a ‘whole house’
protector is required. Provided is how to kludge a protector in an
apartment. It assumes one can find an AC receptacle closest to the
breaker box.

Responsible companies sell protectors with an earthing connection.
We make those protectors even better by upgrading earthing. Then plug-
in protectors need not earth surges destructively through appliances.

On Apr 22, 8:48 pm, wrote:
Are you for real? Cut the cord short and plug it into a receptacle
attached to the breaker box? What receptacle attached to what
breaker box? Geez, I've lived in many apartments and the only
outlets attached to the breaker box were the ones in the wall, which
is where everyone, including the IEEE would place the protector. And
like cutting the cord from 3 ft to what 1 ft is going to make a
significant difference? LOL
...

Hmmm, couldn't be too many decades ago that a typical house had
networked computers...

All computers powered off. Plug-in


How does an external surge protector "bypass" the internal
protection? And how exactly is it that the same components inside a
computer are going to deal with the surge any differently?
Internally, the MOV's have the exact same deployment choices ie hot to
neutral, hot to ground, etc that they do in an external surge
protector. Unless you're gonna tell us that the TV comes with an
earth ground inside it.
...

Do you have any credible reference, or even any reference at all,
other than your own claims of surge protectors causing damage of this
type rather than helping prevent it? Funny the IEEE doesn't warn
about it.


No, only wild speculation says it's worse. Reference please.

A plug-in protector does not even claim to protect from
...

Read the label and marking on the box it comes in.

Do not assume, as Bud hopes, that all
...

Of course in your jaundiced view, anything that's bad that happens is
due to either plug-in surge protectors or human failure. If the cat
died, it would be due to the surge protector too. I've had exactly
the opposite experience, where electronics connected to plug-in surge
protectors came through a lightning storm OK, while one device NOT
using one was destroyed.
...