outside on the Wall? i have a com-cast internet/tv and the 2 way charter is outside on the wall , one wire goes to the tv and the other one goes to the modem at the sec floor so when i want to play my xbox or watch netflix on the wii or xbox i have to use a 50ft wire to play them ,if i put the 2way inside the behind the tv i don't need the 50ft cable anymore , but the problem is , a saw a aluminum wire connected going under ground to avoid lightning , can i disconnect it and install on the wall but inside my house ?