faraday cages are not really expensive just very cumbersome. A faraday cage is just a box made out of conductive material. This prevents the electrical pulse from impacting whatever is inside.
On a small scale a simple metal box will protect small electronic items. Of course its hard to use them while they are in the box.
You beat me by 9 seconds... It is important to note that the item to be protected must be insulated from the outside metal of the cage, though...
You beat me by 9 seconds... It is important to note that the item to be protected must be insulated from the outside metal of the cage, though...
But they should be grounded independently from the rest of the house. Most people forget to do that.