PART I: Starting A Faraday Box / Cage
Using only household items (this way everyone can follow - make upgrades if you like!).
Concepts used in this series can be 'scaled up' if you want to increase electromagnetic field protection, use heavier duty material, with better conduction than aluminum (ie: copper), if considering EMP mitigation (metal trash cans will also do, if you have one).
Materials
https://www.youtube.com/watch?v=5U7cjBbjZ1k
EMP Attacks?
Level of protection from EMP (electromagnetic pulse) is dependent on multiple variables (material: aluminum chosen for accessibility, copper is better), including your location, and power.
In this hypothetical situation, wherein high altitude nuclear weapons create electromagnetic pulses, destroying the power grid and electronic.
Could there be mitigation to save communication devices?
See Below EMP Example:
Why not attempt to protect devices (at least mitigate)?
Just How Bad Are EMP Attacks?
Plugged in items at higher risk
Power grid is above ground in many countries, putting your power at high risk
Electronics can be fried (even if not plugged in, if in proximity to powerful EMP field)
Without proper seal in shielding, dangers increase
The level of electromagnetic pulse, and proximity to field determine outcomes
EMP "Gun"
EMP attacks aren't relegated to nuclear conflict alone. Portable EMP attacks exist as well.
Privacy Benefits
Wireless devices inside our box will have their signals blocked (bluetooth, wifi, cellular).
See the post on Wireless Privacy (wherein I briefly display a faraday bag - our box will work better at shielding!)
Materials Shown
Aluminum Foil (alternatively use additional layers and / or more conductive material such as copper for more powerful blocking)
Aluminum Foil Tape (HVAC type I had laying around)
Copper Tape (optional - may make use of this to share)
Printer Paper Box with lid
You can optionally add additional materials to improve the strength of EMP blocking.
Box
One consideration is the 'seal' of our box. This is particularly important.
I chose an Officemax paper box, something just about everyone can get their hands on (if they buy printer paper).
The box choice here was made for a couple reasons:
The deep lid can fit snugly, allowing full contact of conductive material (sealing is important here)
This printer paper box is found in many households (to help others follow along)
Box can fit larger items inside such as a backup laptop (covering emergency items I am including in Part II/III)
Next
Coming up, we share more insight to making the box, testing out wireless blocking, as well as what I might choose to store in it.
Thought this would be a fun idea. Hope you enjoy this series.
NEXT: Part II
Tin foil is used to make this guide more accessible. We explore how signal blocking is a privacy bonus and can mitigate in face of electromagnetic fields.
TIP: The more conductive, the more effective the protection (for both privacy and EMP related protection). This guide uses household materials to allow just about anyone to follow. Additional layering, and / or use of more conductive material strengthens protection. The choice is yours! Copper is an excellent choice over aluminum.
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#EMP #Faraday #Privacy #Electronics #Tech