The answer is copper.
No, the answer is not always copper, it will depend on the purposes for which the wires are to be used!
Yes, copper is used a lot for electrical wiring but other metals are also used, such as tungsten for incandescent light bulb filaments.
Some other examples are: galvanised iron or steel wire is used for fences around gardens, etc. and if wires are used to make jewelry, they are often made of silver, gold or platinum.
Another answer
Depends on the purpose:
Comment: Glass fiber is not made of metal, it is made of glass!
Baling wire is a metal, specifically a type of steel wire used for bundling materials like hay or straw.
Approximately 127 cm length of a wire with a diameter of 1mm can be used to make a 1cm cube of metal.
I suppose that you think to the ductility of metals.
Fuse wire is usually made with metal that has a low melting point, e.g. tin, to lessen the risk of fire.
Physical. The metal is still metal, even though now it's wire-shaped.
In most cases, copper is the metal used in wire.
Baling wire is a metal, specifically a type of steel wire used for bundling materials like hay or straw.
Copper is the main metal used in wiring.
The metal is called wire.
Copper
Copper and aluminum used for electric wires
Mostly "COPPER" is used in making wires
The metal utilized to create electrical wire is called copper electrical and it used to be covered in rubber, but now only extension cords are covered in rubber.
Physical. The metal wire is still a metal wire after the change.
A form of arc welding in which the electrical energy used to weld the metal is conducted through a wire that is fed from a spool to act as a filler metal.
silver
A Battery, wire, nail/metal cylinder.