It takes a Faraday cage (with no holes) to provide absolute protection from EMP. It is simply impossible to wrap everything in such a layer of protection. You may want to identify a few treasured electronics items and wrap them in aluminum foil. You'll have something left...as long as you have access to some batteries or a solar panel. The electric power system may be down a long time.
Well, I'm suresorry to hear the situation is so potentially grim.
If your electronic item is not plugged in, would it still be affected by an EMP?