I want to build a Faraday cage to house my computer, while still being able to use it. Assuming I build it with some sort of channel that will still block emp waves would the cords, HDMI cables, or Ethernet cable transfer the waves inside and fry the computer? Any suggestions on how to run the wires out would be apriciated. I was thinking just have 2 or 3 layers with hole staggerd in different places.

 

Why?

The quick answer is sure, if money is no object.
https://clearcube.com/products/tempest-desktop-bundles/
https://www.equiptoelec.com/wp-content/uploads/2020/01/Equipto-Tempest-PC-SellSheet.pdf

https://en.wikipedia.org/wiki/Tempest_(codename)

 

I want to build a Faraday cage to house my computer, while still being able to use it. Assuming I build it with some sort of channel that will still block emp waves would the cords, HDMI cables, or Ethernet cable transfer the waves inside and fry the computer? Any suggestions on how to run the wires out would be apriciated. I was thinking just have 2 or 3 layers with hole staggerd in different places.

I do not think it is possible, but why do you think your computer will be fried? Presumably you have some basis for this belief.

 

Actually... Most computer cases ARE Faraday cages! The biggest emissions culprit of desktop computers is their keyboard! Most of which are housed in plastic without any shielding. The cables should have a foil shield around their wires but some/most do not. In the case of EMP protection, try prayer...

 

Is the ostensible source of this EMP a nuclear bomb explosion or other EMP weapon?

 

I'm worried about an EMP attack, nuke ect. I want the computer inside the cage safe at all times. I'm planning on building it in a closet where the computer will stay at all times,with asorted other prepper type stuff, but keep the monitors in the living room where they are.

 

IF there was an EMP attack there wouldn't be any power for the computer so it wouldn't matter. Again, the computer case IS a Faraday Cage. Without it the high frequency digital noise generated by the computer would interfere with other electronics therefore it has to be shielded to meet UL or EU code specification. OR, you would have to build a shielded bunker with an internal power source also shielded to power the shielded computer. That would be a bit costly... I live very near a Trident Nuclear Missile Submarine Base which is a prime target and I don't worry a bit about EMP as it would be far down my list of problems...

 

Ill have a spare monitor, router, mouse keyboard WiFi boosters etc. i am aware the net will likely be down but the plan will be to set up a home network with WiFi signal reaching all the neighbors. Ofcorse ill also have as many external hard drives with movies games and such.

 

If your building a "safe cage" then everything must be it it, including monitors, keyboard, mouse, etc. . The use of the equipment inside of the "safe cage" would be treated as a time capsule, and you would not access it until after such an EMP event occurred.

 

IF there was an EMP attack there wouldn't be any power for the computer so it wouldn't matter. Again, the computer case IS a Faraday Cage. Without it the high frequency digital noise generated by the computer would interfere with other electronics therefore it has to be shielded to meet UL or EU code specification. OR, you would have to build a shielded bunker with an internal power source also shielded to power the shielded computer. That would be a bit costly... I live very near a Trident Nuclear Missile Submarine Base which is a prime target and I don't worry a bit about EMP as it would be far down my list of problems...

Ok so i work on semi trailers and have been removing old 4" x 8" solar panels for GPS theyre in the way of putting new company name decals on. The plan is to store them in the cage also, with a 12v inverter or 2. I also have a Creek near by i hopfully an salvage Alternators also. not sure how well it'll all work together but i think the posses will be entertaining. Car Batterys Sould survive a pulse Right?

Ultimately its all a hillbilly ingenuity idea i had. i enjoy salvaging stuff, and putting it together to do stuff it wasn't necessarily intended for. Ive been stock pilling Food, Ammo , and other stuff. Just somthing that popped in my head. Would the computer case really be good enough to protect it from a EMP wepon.

If your building a "safe cage" then everything must be it it, including monitors, keyboard, mouse, etc. . The use of the equipment inside of the "safe cage" would be treated as a time capsule, and you would not access it until after such an EMP event occurred.

just trying to use a closet but still game and stuff like usual. Going to get cheap spare stuff like monitor, keyboard, mouse and store it but not trying to buy a hole nother decent computer.

ultimately my Question is will a Emp charge go thru power cord, HDMI cables, etc. and travel in to the cage. my first Idea to run the cords out, is a small patrition like 1 or 2 inches deep. shielded bottom of the box interior (where the computer will sit inside.) With a hole going down in to between the bottom outside also shielded put shielded slats making sort of simple zig zagging maze exsiting out a hole on the opposite side Front. Like you could use to alow air thru but no light. and thats where the wires would go also alowing air flow for cooling.

 

“ultimately my Question is will a Emp charge go thru power cord, HDMI cables, etc. and travel in to the cage”
The short answer is yes. An EMP will be induced into any exposed wiring and that will carry the pulse back to the cage. Only if the cables are totally shielded and the device they connect to are shielded as well, does the risk diminish.
Only a totally enclosed, and isolated cage could survive. Hard to do if you need power to the cage.
P.S. If there ever is an EMP from a nuke, there would be no power, no internet, no cell coverage, etc. Having a running computer would be useless at this point. In fact, you’d probably have no house either…
Enough trolling….

 

Ok so i work on semi trailers and have been removing old 4" x 8" solar panels for GPS theyre in the way of putting new company name decals on. The plan is to store them in the cage also, with a 12v inverter or 2. I also have a Creek near by i hopfully an salvage Alternators also. not sure how well it'll all work together but i think the posses will be entertaining. Car Batterys Sould survive a pulse Right?

Ultimately its all a hillbilly ingenuity idea i had. i enjoy salvaging stuff, and putting it together to do stuff it wasn't necessarily intended for. Ive been stock pilling Food, Ammo , and other stuff. Just somthing that popped in my head. Would the computer case really be good enough to protect it from a EMP wepon.


just trying to use a closet but still game and stuff like usual. Going to get cheap spare stuff like monitor, keyboard, mouse and store it but not trying to buy a hole nother decent computer.

ultimately my Question is will a Emp charge go thru power cord, HDMI cables, etc. and travel in to the cage. my first Idea to run the cords out, is a small patrition like 1 or 2 inches deep. shielded bottom of the box interior (where the computer will sit inside.) With a hole going down in to between the bottom outside also shielded put shielded slats making sort of simple zig zagging maze exsiting out a hole on the opposite side Front. Like you could use to alow air thru but no light. and thats where the wires would go also alowing air flow for cooling.

Buy 3 large metal trash cans with nice metal lids. Tie them all together with large metal, totally sealed conduits, for running wire/cables, essential body fluids, etc.... Trashcan one has the totally contained electrical generator and fluid collection, trashcan two has the computer. You sit in trashcan three with the monitor, keyboard, stock piled food, ammo etc..

No EMP weapon could touch you, because none will likely ever be used, except as a prelude to total nuclear war were EMP is just the beginning of the last of your worries.

https://noji.com/emp/emp.php

So where did all the confusion come from?

• Fear-mongers. Rumor-mongers. Prophets of doom. Prep gear salesmen. Uninformed politicians and media celebreties. Paranoid neighbors and relatives. Reliance on outdated or other inaccurate information. Endless rants, warnings, and scare tactics posted on social media.
  
  We humans tend to fear the unknown and the uncontrollable. Most of us know very little about EMP, and our reasons for fearing the worst is compounded when we learn of our inability to control this phenomenon, and more especially when we believe that our lives might be on a collision course with it. Admittedly, there are a lot of people who innocently promote EMP fears out of a sincere interest in helping others become aware of impending dangers they might encounter.
  
  Then, there are people who are willing to take advantage of your fear, in an effort to forward their own agenda or promote their product. Couple that with our current-day excitement over preparedness, and you have a recipe for dogmatic confusion. Just because a celebrity, clergyman, or your Uncle Bob says that the sky is falling, doesn't always mean that it really is.
  
  In short, do a little homework, and research reliable sources instead of listening to the loudest siren that over-sensationalizes the topic, above what it really means. Stop and think through the facts before opening your bank account to those who want to help you fortify your home and family against the unthinkable.

 

Since our bodies rely on electrical signals to our brain via our nervous system, it's doubtful you would survive an EMP, unless you always wear a grounded suit of armour.

 

The simple solution will be to have the faraday cage be the whole room where the computer system and other electronics are located.
In addition , the better quality slightly older computers already have a fairly tight enclosure. And if you are able to get a military surplus secure computer case, it will be EMP tight as is. That generation of computers was shielded to prevent snooping . I don't recall the name of the program, butit was serious.

 

The simple solution will be to have the faraday cage be the whole room where the computer system and other electronics are located.

Is it that simple? What about pickup on the mains supply to the room contents?

 

As I said in #7, the power supply would have to be inside the cage. But in the case of a nuclear EMP the last worry is EMP to deal with... I think the troll has found another bridge to lurk under...

 

Many adequate transient protection devices are commercially available, along with thousands of inadequate models, The devices intended to provide lightning transient suppression are the type that may best withstand a serious EMP incident.
Presently the biggest concern is some sort of monster discharge from the sun. The previous such incident took out much of the telegraph networks, not much else because the rest was not invented yet. But now the solar experts are saying it could happen again. Is anybody ready for it?? Only those folks with no electrical anything will not have much losses.

 

It still happens all the time Bill. Coronal Mass Ejections are not rare. Satellites have to be turned off to survive and many satellites get fried. Star Link lost quite a few in the last ejection.

 

Evidently there are some that are far more powerful. Or maybe it was a magnetic mass ejection. The assertion is that the magnetic pulse will generate many thousands of volts across out long power line ends.. Somehow it delivered enough power to take down the telegraph network that existed at the time.

 

Yep, it was a good'un! The trick is not to be in its "line of fire".
The 1859 Carrington Event
A Perfect Solar Superstorm: The 1859 Carrington Event | HISTORY