Okay, both of you are wrong. The law regarding open wi-fi is local. A number of internet companies were trying to force law making open wi-fi illegal, but their effort seems to have mostly failed. In other words, check the laws of your city and state, there is NO NATIONAL STANDARD.
No. The charge carried by coaxial cable is tiny, just like your phone line. Keep unshielded cable from electrical lines, and you'll be fine.
will running next to a cable line give it interference? i Dont feel like buying 100' of outside cat5 cable. I just need a way to protect it from the elements. Also, what about lighting strikes? what is better aluminum or pvc conduit