This concentration of EMP by metal wiring is one reason that most electrical equipment and telephones would be destroyed by the electrical surge. One simple solution is to use battery-operated equipment which has cords or antennas of only 30 inches or less in length.
That said, there are some methods which will help to protect circuits from EMP and give you an edge if you must operate ham radios or the like when a nuclear attack occurs. A new device which may soon be on the market holds promise in allowing electronic equipment to be EMP hardened. At the other end of the scale of EMP resistance are some really sensitive electrical parts.
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. The thickness of the metal shield around the Faraday box isn’t of much concern, either. If you want to protect your electronics from an EMP attack or occurrence, there are a few actions you need to take.
There are other ways of shielding units and mobile devices from an EMP, by encasing them in a Faraday Cage.
The shielding bags are very nice, because they come in many sizes that can be stored in your BOB, a desk drawer, your vehicle, or anywhere else you can think of where you may need one for quick use to protect your electronics from an EMP. There are more decorative bags of different sizes that a available for cell phones and lap tops. The energy from an EMP is a extremely fast moving and powerful energy, but also a temporarily existing energy of sorts. If you have any questions on this subject and your Faraday Cage project, please contact me.
American Culture Under Attack With Obamaa€™s Assault on Gun Owners Armed Guard Disarms Shooter At Atlanta Middle School Texas Gun Writer John Wootters, Passes Gun Owners Wouldna€™t & Shouldna€™t Accept a€?Universal Background Checksa€™ NY Times: Obamaa€™s Gun Ban Wouldna€™t Have Prevented Newtown Are we preparing for Civil War? An electromagnetic pulse, or EMP, may sound harmless enough but its effects can be devastating. EMPs can occur naturally, as with lightning and a case we will explore later in this article, as well as through man-made sources such as nuclear or radio-frequency (non-nuclear) weapons. Modern day reliance on the power grid leads many preppers to classify EMPs as a serious threat. The following article will teach you the basics in understanding what an EMP is, how it can be caused, and the short and long term effects.
These free electrons then interact with Earth’s natural magnetic field creating a current that is powerful enough to decimate electrical currents over a large expanse of area. As devastating as a nuclear explosion is, the resulting EMP can reach even further than the physical destruction of the blast.
In 1997, Gary Smith, then the director of Applied Physics Lab at John Hopkins University, testified in front of the House National Security Committee that a nuclear detonation at 300 miles above the surface of the Earth could carry enough impact to knock out electrical power to the United States as well as most of Canada and Mexico (click here for source article). However, nuclear weapons are not the only ones capable of generating an EMP; more localized sources of energy such as radio-frequency weapons or non-nuclear EMP devices can also wreak havoc. Instead of drawing energy from a bomb explosion, these devices use concentrated microwave energy to cause disruptions in electronic equipment and destroy data. The cause was later attributed to a group of sunspots that were 1.9 billion square miles in size. Despite the increased vulnerabilities present in modern times due to the prevalence of electronic devices in managing day-to-day activities, a future natural EMP event will likely come with advanced warning thanks to the benefit of space-monitoring stations.
A solar event would take hours, or even days, to reach Earth’s atmosphere, providing enough warning to safely stow electronics and turn off power systems (while shutting down power will not completely immunize systems against damage, it certainly can reduce the risk).
Additionally, any cars relying on high-tech computer systems (basically any model manufactured in the last 20 years) would be disabled and back-up generators could experience malfunctions or be ineffective if the existing equipment is damaged. Recovery from an EMP is dependent on the size of the affected area and location, but could potentially take many years. If you are serious about protecting yourself and your family from the threat of an EMP strike I strongly suggest you CLICK HERE NOW to check out this report. Simulators can be used to test the effectiveness of Faraday cages in diverting incoming energy.
A Faraday cage can be built to any size to accommodate myriad manner of objects; keep in mind that an EMP can cause a voltage spike powerful enough to fry all manner of electronic devices, including cell phones, computers, radios and appliances. The manner in which a Faraday cage can protect against an EMP is by using the conductive layer to diffuse energy rays (this is why it is imperative to have no openings through which energy waves can pass). There is a very simple way to test the effectiveness of a Faraday cage: place a working cell phone in the cage and try calling it. The best way to prepare yourself and your loved ones for an EMP is to prepare for the aftermath by ensuring you have adequate stockpiles of food, water and other essentials. Not only will having the supplies ready beforehand ensure you have enough to last, but also, in a worst-case scenario, there may be civil unrest or upheaval that makes it dangerous or impossible for you to leave your home, necessitating having sufficient supplies on hand. In addition to preparing for the aftermath, having a Faraday cage built and ready to go is a measure you may choose to take to protect your household devices in the case of an EMP. Laying a piece of cardboard on the floor as you load items into the closet can help prevent damaging the foil. If you don’t have a closet ready to go, or are prepping a location that is not in a home, you can build a freestanding Faraday cage by framing a box with 2x4s and then lining the outside with fine, conductive mesh.
In place of mesh, you can also use sheets of aluminum or copper for your shielding material. For smaller devices, something as simple as a shoe box lined with heavy-duty aluminum foil can do the trick.
If you are considering building your own Faraday cage, make sure to check out this article and other resources with detailed building instructions. You may already have a store bought Faraday cage ready to go and not even be aware of it – your microwave oven. There are also anti-static bags, available in a variety of sizes, that can protect against electrostatic discharge and are easy to store in your get home bag.
The effectiveness of your Faraday cage in protecting your devices against an EMP is dependent on a number of factors, including the origin of the EMP, how far your Faraday cage is from the EMP, and the type of rays emitted by the EMP.


High frequency waves require smaller holes in the meshing while short-range EMPs contain gamma rays and xrays that cannot be blocked by only a single layer of heavy-duty foil. In today’s technology-enabled world, it is easy to imagine the devastating consequences that could arise from a prolonged loss of power. While Faraday cages provide an effective means of first-line defense against EMPs, remember there may be little to no warning before a strike and you may not have the opportunity to put your Faraday cage to use. We participate in the Amazon Services LLC Associates Program, an affiliate advertising program.
The letters spell burnt out computers and other electrical systems and perhaps even a return to the dark ages if it were to mark the beginning of a nuclear war. In such a case, the gamma radiation released during the flash cycle of the weapon would react with the upper layer of the earth’s atmosphere and strip electrons free from the air molecules, producing electromagnetic radiation similar to broad-band radio waves (10 kHz-100 MHz) in the process. It’s believed that the electrical surge of the EMP from such an explosion would be strong enough to knock out much of the civilian electrical equipment over the whole country. In the levels created by a nuclear weapon, it would not pose a health hazard to plants, animals, or man PROVIDED it isn’t concentrated. It isn’t that the equipment itself is really all that sensitive, but that the surge would be so concentrated that nothing working on low levels of electricity would survive. This short stretch of metal puts the device within the troughs of the nuclear-generated EMP wave and will keep the equipment from getting a damaging concentration of electrons. The trick is that it must REALLY be hardened from the real thing, not just EMP-proof on paper.
This includes large electric motors, vacuum tube equipment, electrical generators, trans- formers, relays, and the like. These include IC circuits, microwave transistors, and Field Effect Transistors (FET’s).
Despite what you may have read or heard, these boxes do NOT have to be air- tight due to the long wave length of EMP; boxes can be made of wire screen or other porous metal. Grounding a Faraday box is NOT necessary and in some cases actually may be less than ideal. 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. These shelters are covered inside with metal foil and have metal screens which cover all air vents and are connected to the metal foil. In practice, the entire system is not grounded in the traditional electrical wiring sense of actually making contact to the earth at some point in its circuitry. The very prudent may wish to buy spare electronic ignition parts and keep them a car truck (perhaps inside a Faraday box). Unfortunately, a little-known Federal dictum prohibits the NRC from requiring power plants to withstand the effects of a nuclear war.
You may not be not be so inclined to have a large metallic Faraday cage with you at all times, these shielding bags are a great choice of use.
Batteries will normally not be affected by an EMP if they are separate or disconnected from a circuit pathway, but I store mine in the same place as that of my protected electronics for organizational reasons. An EMP is essentially an intense burst of energy (for instance a lightning bolt, which is simply a highly concentrated EMP event that is very localized) that, depending on size and intensity, could potentially wipe out electrical and information systems across vast areas. This article also explores Faraday cages and how they can work to protect you against EMPs, discussing the features that are most important and various types you can purchase and build yourself. The lasting effects of an EMP can range from minor inconvenience to potentially sending the world back to a pre-communications technology ‘dark age,’ so to speak.
In what is referred to as the Compton effect (named after physicist Arthur Compton who first theorized of the effect), the theory follows that when a nuclear bomb explodes, the explosion releases electromagnetic energy which binds to molecules in the atmosphere and releases bonded electrons.
While these devices deliver a non-lethal pulse, the damage to electrical systems is no less devastating than with a nuclear detonation. While these occurrences are infrequent, a geomagnetic storm in 1921 affected the United States as well as parts of Europe for two days, closing the New York City railroad system and burning telegraph lines in Sweden.
Today, a storm of this size would affect over 100 million people and cause widespread panic and chaos due to society’s heavy reliance on electronic devices for everyday life.
Depending on the intensity of the pulse, EMPs can start electrical fires, incapacitate power grids, and shut down power sources for refrigeration (causing loss of food and medical supplies), water and sewage services, security systems, and phone and Internet (this would affect financial institutions and ATMs as well as land, sea and air transportation). A popular method of EMP-proofing is to use a Faraday cage, a protective container equipped with a conductive outer layer that is typically made from aluminum.
The term ‘cage’ originates from the fine metal mesh often used as a protective wall; however, research indicates that using a solid sheet of metal may be more effective (more on building your own faraday cage later on). The only must-have in constructing a Faraday cage is that it needs to be thoroughly lined by a conductive material with no gaps. The process is referred to as field cancellation, with ions in the conductive material realigning themselves to cancel the incoming electric field. A properly functioning Faraday cage will block the signal and the call will not go through.
In the event of widespread electricity loss, store shelves will quickly empty and essential resources will become scarce. CLICK HERE to read The Bug Out Bag Guide’s comprehensive article on prepping for power grid failure. When constructing your shield room, be sure to pay careful attention to how your foil is placed around the door frame so that it provides a continuous shield. Additionally, check for any outlets in the closet and ensure nothing is plugged into them and that they are also covered with foil. Remember, the openings on the mesh must be small enough to prevent energy waves from entering. Whatever material you choose, ensure its coverage is continuous over the entire exterior of your cage, or else its shielding effects will be rendered useless.
Alternatively, you can wrap your devices in several layers of foil, which also functions as an effective means of protection. While most people are familiar with their microwave’s ability to keep radiation in, few are aware that a microwave can also keep radiation out.
To fully protect against EMPs from radiofrequency weapons, thick sheets of metal are required.


A larger EMP that destroys power for several weeks, or even months, could easily lead to civil unrest and throw many first world residents into a survival situation.
The best way to prepare for an EMP event is to prep yourself and your family for the aftermath, ensuring your stockpile of supplies will be adequate to see you through a potentially long-term spell of power-free living.
Below is a detailed write up about EMP (Electro-Magnetic Pulse) and how to protect yourself from it.
Adding to the problems is the fact that its effects are hard to predict; even electronics designers have to test their equipment in powerful EMP simulators before they can be sure it is really capable of with standing the effect. These electrons would follow the earth’s magnetic field and quickly circle toward the ground where they would be finally dampened. Protecting electrical equipment is simple if it can be unplugged from AC outlets, phone systems, or long antennas.
These design elements can eliminate the chance an EMP surge from power lines or long antennas damaging your equipment. The Ovonic threshold device is a solid-state switch capable of quickly opening a path to ground when a circuit receives a massive surge of EMP.
These might even survive a massive surge of EMP and would likely to survive if a few of the above precautions were taking in their design and deployment. If you have electrical equipment with such com- ponents, it must be very well protected if it is to survive EMP. If the object placed in the box is insulated from the inside surface of the box, it will not be effected by the EMP traveling around the outside metal surface of the box. 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). According to sources working at Oak Ridge National Laboratory, cars have proven to be resistant to EMP in actual tests using nuclear weapons as well as during more recent tests (with newer cars) with the US Military’s EMP simulators. Discovering that you have one of the few cars knocked out would not be a good way to start the onset of terrorist attack or nuclear war.
But it seems probable that many vehicles WILL be working following the start of a nuclear war even if no precautions have been taken with them.
This means that, in the event of a nuclear war, many nuclear reactors’ control systems might will be damaged by an EMP surge. By Dale 7 CommentsThere are quite a few misconceptions about EMP’s and what exactly we need to do to prepare for an event like this. It’s called the Silent Pocket, which is designed to stop signals from entering an electronic device for the purpose of leaving the device on, but not transferring information or ringing when in important meetings. Also, I do not know how severe an EMP that occurs might be or how close the source that generated it is. To test your microwave’s effectiveness, unplug it (this is an essential first step, do NOT attempt this exercise while the microwave is plugged in) and run the cell phone test discussed in the previous section, How Can the Efficacy of Faraday Cages Be Tested? Once you understand EMP, you can take a few simple precautions to protect yourself and equipment from it. Thus, strategies based on using lightning arrestors or lightning-rod grounding techniques are destined to failure in protecting equipment from EMP. Another useful strategy is to use grounding wires for each separate instrument which is coupled into a system so that EMP has more paths to take in grounding itself. Use of this or a similar device would assure survival of equipment during a massive surge of electricity.
It is important to note that cars are NOT 100 percent EMP proof; some cars will most certainly be effected, especially those with fiberglass bodies or located near large stretches of metal. One area of concern are explosives connected to electrical discharge wiring or designed to be set off by other electric devices. In such a case, the core-cooling controls might become inoperable and a core melt down and breaching of the containment vessel by radioactive materials into the surrounding area might well result. This will help to prevent the Electromagnetic Pulse (EMP) from entering the unit and harming the circuits inside the device. Think of the metallic outer shell as if it were an atmosphere, protecting your electronic world. Nuclear bursts close to the ground are dampened by the earth so that EMP effects are more or less confined to the region of the blast and heat wave.
It could become concentrated by metal girders, large stretches of wiring (including telephone lines), long antennas, or similar set ups. Even though the plane, high over the earth, isn’t grounded it will sustain little damage. EMP, like nuclear blasts and fallout, can be survived if you have the know how and take a few precautions before hand. But EMP becomes more pronounced and wide spread as the size and altitude of a nuclear blast is increased since the ground; of these two, altitude is the quickest way to produce greater EMP effects.
Ammunition, mines, grenades and the like in large quantities might be prone to damage or explosion by EMP, but in general aren’t all that sensitive to EMP. As a nuclear device is exploded higher up, the earth soaks up fewer of the free electrons produced before they can travel some distance. Consequently, storage of equipment in Faraday boxes on wooden shelves or the like does NOT require that everything be grounded. The definition of a prepper is "An individual or group that prepares or makes preparations in advance of, or prior to, any change in normal circumstances, without substantial resources from outside sources" Like the Government, police etc.
I don't believe that the end of the world will be the "end of the world" I believe it will be the end of the world as we know it now. Just sticking new garbage bags open over 4 sticks repeatedly all over the yard will produce several gallons of water.3. Required fields are marked *CommentName * Email * Website CAPTCHA Code * Notify me of follow-up comments by email.



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