November 6, 2015 by The Survival Mom 83 Comments When it comes to worst case scenarios, it’s hard to beat the Electromagnetic Pulse (EMP) and many people wonder how to make a Faraday cage to protect their electronic devices .
The simplest and cheapest way to build your own Faraday container is to use heavy duty aluminum foil. I’m sorry Lisa (not the survival-mom-lisa, the person posting above), but a Faraday cage, an old laptop, etc.
These containers are called Faraday cagesĀ and were first invented by Michael Faraday, a top-notch scientist of the mid-1800’s.

A few rolls of heavy duty aluminum foil, some cardboard boxes and a galvanized steel trash can are enough to create your own Faraday cage and protect your electronics from EMP. If you can solder, do this to make a good connection between all the foil layers, then solder a wire to them and plug the wire into a ground connection. Keep in mind that every side of the item needs to have a minimum of three layers, so by the time you’re done wrapping it in the foil, some sides may have more than three layers. However, you can increase the effectiveness of your Faraday protection by layering, or nesting them.

If you don’t already have duplicates, make a list of what you want stored in your Faraday container and then look for inexpensive duplicatesĀ at garage and estate sales. Buy alligator clips at a store like Frys Electronics or Radio Shack and use that to connect the foil to a ground.

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