another name for an ethernet cable is a cat5 or cat5e cable
Usually Ethernet frames.
Cat5
Cat5
In most cases it will be an Ethernet cable with an RJ45 head, both Cat5 and Cat6 Ethernet cables will do. Go into a good electronics store and ask for an Ethernet cable of your desired length, they'll normally be able to make one for you.
CAT5
CAT5 or CAT6
100Base-T network require usually cat5 maximum of cable length 100 meters to 380meters.
cat5
Connect a CAT5 ethernet cable that runs from the Wii to an available Ethernet jack or to your home router and enter your IP Address into the Wii's settings.
if by "twisted pair cable" you mean a cat5 cable which is commonly used as an ethernet cable. then it´s made of copper.
The transmission speed of the cable is limited in most cases by the hardware attached to it. Cat5 basic cable has been used successfully up to 1 gigabit speed using ethernet. There have been lab tests proving it might be useful for 10gigabit over short ranges but usually that requires Cat5e or Cat6 grade cable. The most common speeds are 10/100 mb ethernet.