Re: AC Power filter and phone line filter (homemade circuit breaker)



On Tue, 14 Oct 2008 10:35:14 -0700 (PDT), w_tom <w_tom1@xxxxxxx>
wrote:

On Oct 13, 11:35 am, Emanuele <emcelettron...@xxxxxxxxx> wrote:
What do you think about thislightningprotection? Will works like a
circuit breaker or ligthning arrester?

Do you think that tiny circuit will stop what three miles of sky
could not?

Where does that surge energy go? Does this circuit stop or absorb
that energy?

Notice the ground wire simply carries the surge completely around
the circuit. And other components divert that surge energy into the
ground wire where it connects directly to the appliance on right side
connector.

Most of what would work in this circuit is already inside every
appliance. Internal appliance protection assumes that surge energy
gets earthed before entering the buillding. Again, where does that
massive energy get dissiipated? In this circuit? In the appliance?
Of course not.

Destructive surges seek earth ground. Once permitted inside a
building, destructive paths to earth may be everywhere. Protection
means the surge is given earth BEFORE entering a building.

Protection means massive surge energy gets absorbed and dissipated
harmlessly in earth. IOW any wire that would carry a surge into the
house must first be earthed where it enters the building.

Did you know all telco lines already have a 'whole house' protector
installed for free? What actually provides protection? Not that
protector. Telco 'installed for free' protector is so effective when
connecting each wire in that cable to earth ground - ie 'less than 10
feet' to earth. Where is surge energy harmlessly dissipated? In
earth and before that surge can enter a building.

Whereas cable and telephone have protection installed for free, AC
electric does not.

The electric mains most certainly do in the US and Canada.

So that protection already inside all appliances
is not overwhelmed, install (and properly earth) one 'whole house'
protector. See GE, Siemens, Square D, Kieson, Cutler-Hammer,
Intermatic, Levition, et al for effective solutions. No such
solutions are sold by APC, Belkin, Tripplite, Monster Cable, etc.
Some sources:
http://www.smarthome.com/4870.HTML
http://www.smarthome.com/4860.html
http://tinyurl.com/64mnob

See that wire that is not drawn as a wire? It connects a surge on
any incoming wire to directly to the 'protected' appliance. Just one
reason why such circuits can sometimes provide surges with even more
destructive paths around protection inside the appliance. Instead
earth the surge before it even enters a building.
.



Relevant Pages

  • Re: AC Power filter and phone line filter (homemade circuit breaker)
    ... Do you think that tiny circuit will stop what three miles of sky ... Notice the ground wire simply carries the surge completely around ... And other components divert that surge energy into the ... Internal appliance protection assumes that surge energy ...
    (sci.electronics.design)
  • Re: Surge Protector
    ... then why spend another $3000 for plug-in protectors? ... surge energy is earthed before entering a building, then protection ...
    (rec.sport.football.college)
  • Re: Surge protectors to use with home electronics when grounding is not available?
    ... protection stops or absorbs the common mode surge - surge that ... The best surge protection in the ... Excessive wire impedance. ... An MOV protects by becoming more conductive? ...
    (sci.electronics.basics)
  • Re: "chain" surge suppressers?
    ... "Earthing" would be critical to a lightning surge. ... Earth does not sink energy that it does not create. ... one 'whole house' protector for typically non-destructive surges. ... That is the kind of protection obtained from one 'whole ...
    (alt.home.repair)
  • Re: Band Uisng Tripplite Line Conditioners/surge-suppressor
    ... But put a 100 amp surge on that same Romex wire. ... approaching 12,000 volts, it is not earth ground. ... Protection was demonstrated by Ben Franklin. ... Therefore voltage increases to dissipate more energy ...
    (alt.guitar.amps)