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Catch It ~ Pass It On!

Shielding Preventing EMP Damage

Greetings and Welcome Back !

Today I will begin likely a series of articles on shielding against / preventing EMP (Electromagnetic Pulse) damage & disruption.  You can begin with a series of videos on YouTube by following this link: 

 https://www.youtube.com/results?search_query=EMP+shielding

Basically EMP damage can be prevented via use of "Faraday Cage" or in simpler terms, encasing in a sealed* aluminum / aluminum foil wrapped container. Several layers of aluminum foil covering a container are best affording maximum protection. There is also the "galvanized trash can method."

I would also like to refer you to this link: 

http://www.bing.com/search?q=EMP%20shielding&pc=cosp&ptag=A12E6C57308CE4752B0F&form=CONBDF&conlogo=CT3210127

This has a number of articles and even one link with pictures of EMP shields. CME or coronal mass ejections are not considered a danger - at least not as big of a danger; simply unplugging any electrical or electronic devices prevents possible damage from CME.

The pictures link: http://www.bing.com/images/search?q=emp+shielding&qpvt=EMP+shielding&FORM=IGRE

I highly recommend looking at this link ( I tried copying & pasting some of the pictures, but couldn't get it to work!). One picture was of a large room functioning as a Faraday cage (individual aluminum containers). In another picture there was an EMP generator! There are wire mesh (wrap) and  shielding tape even underground bunkers - clearly there exists numerous and inexpensive ways to prevent EMP damage through proper shielding methods.

There is also a picture of an entire home on a raised platform completely protected from EMP!

This particular article is of interest - here's the link

 http://standeyo.com/News_Files/NBC/EMP.protection.html


From article I quote " A Faraday box is simply a metal box designed to divert and soak up the EMP. If the object placed in the box is insulated from the inside surface of the box, it will not be affected by the EMP travelling around the outside metal surface of the box. The Faraday box simple and cheap and often provides more protection to electrical components than "hardening" through circuit designs which can't be (or haven't been) adequately tested.

Many containers are suitable for make-shift Faraday boxes: cake boxes, ammunition containers, metal filing cabinets, etc., etc., can all be used. Despite what you may have read or heard, these boxes do NOT have to be airtight due to the long wave length of EMP; boxes can be made of wire screen or other porous metal.

The only two requirements for protection with a Faraday box are:
(1) the equipment inside the box does NOT touch the metal container (plastic, wadded paper, or cardboard can all be used to insulate it from the metal) and 
(2) the metal shield is continuous without any gaps between pieces or extra-large holes in it.

Grounding a Faraday box is NOT necessary and in some cases actually may be less than ideal. "

* What I find interesting in this quote is Faraday boxes do not have to be airtight - this contradicts what I found above whereby a "sealed" box was necessary. Apparently this is not the case. Grounding is also unnecessary.

Here are additional significant points to consider:

"The thickness of the metal shield around the Faraday box isn't of much concern, either. This makes it possible to build protection "on the cheap" by simply using the cardboard packing box that equipment comes in along with aluminium foil. Just wrap the box with the aluminium foil (other metal foil or metal screen will also work); tape the foil in place and you're done. Provided it is kept dry, the cardboard will insulate the gear inside it from the foil; placing the foil-wrapped box inside a larger cardboard box is also wise to be sure the foil isn't accidentally ripped anywhere. The result is an "instant" Faraday box with your equipment safely stored inside, ready for use following a nuclear war.Copper or aluminium foil can help you insulate a whole room from EMP as well. Just paper the wall, ceiling and floor with metal foil. Ideally the floor is then covered with a false floor of wood or with heavy carpeting to insulate everything and everyone inside from the shield (and EMP). The only catch to this is that care must be taken NOT to allow electrical wiring connections to pierce the foil shield (i.e., no AC powered equipment or radio antennas can come into the room from outside). Care must also be taken that the door is covered with foil AND electrically connected to the shield with a wire and screws or some similar set up."

Obviously above is more concerned with nuclear attack(s) and especially after mat. Altitude is the big factor in nuclear attack. If a large nuclear device detonates outside the Earth's atmosphere (space), the EMP generated is optimum or in other words has greatest damage impact on Earth's surface i.e. your country!

I will continue with more posts re: EMP protection & shielding.

Renewed American Spirit ~ Catch It Then Pass It On

Bob Stevens
















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