Hopeak - It can take any of them down. Think of solar flares (EMP) as lightening. You can have all the arresters online you want and it doesn't necessarily mean you can prevent damage caused by it. Electric utility transmission, radio and television transmission and telephone are all at risk. I probably left something out.
Here is a description of what you could see between now and 2012.
http://www.thenakedscientists.com/HT...interview/897/
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