Because copper has a very low electrical resistivity of 16.78 nΩ·m, meaning it's easier for electricity to pass through it.
For comparison, nickel has a resistivity of 69.3 nΩ·m and iron's resistivity is 96.1 nΩ·m.
copper
Copper is almost always used in car wiring.
Copper is used for wiring!
copper is a good conductor
copper
the wiring
Copper
it is used to make wiring for your house.
copper is mainly used.
copper
Copper (symbol Cu)
For wiring, we only use copper and silver. The most common conductor is copper. Almost all wires use copper as a conductor.