Try reading the forums or even possibly the wiki for a change.
repeat after me: the EU a cable can carry is per *PACKET* not total. aka: it's perfectly possible for glass fiber cable to carry that much as it's only taking 120 or 30 EU/t packets.
Exactly. Eu/t is a total bastardization of the concepts of power voltage and current. As a wire-rating, its like voltage, as a measurement with the eu-meter, its more like power or current.