Because the price of silver would shock you and copper is much less expensive.
For wiring, we only use copper and silver. The most common conductor is copper. Almost all wires use copper as a conductor.
Copper piping and wiring and not interchangable.
Electric wiring
Electrical wiring.
The main use is in electrical wiring.
Copper has a myriad of different uses, but the use that first pops up in my mind is its use for electrical wiring.
Its used as wiring, and composes most of the penny
Copper is an excellent conductor of electricity. Among metals it is second only o silver, which is too expensive for practical use in wiring. Copper is also extremely ductile, meaning it can be easily drawn into wires without breaking.
copper is in every thing, from electrical wiring in your house to electric motors that you use in your kitchen.
Most do have copper in the wiring.
If a material is going to be used for electrical wiring, it must have high conductivity. Conductivity is a noun.
Copper and aluminum (or copper clad with aluminum) are often used in wiring. New aluminum connection is now limited to use service-connections by some electrical codes and can no longer be installed for branch circuit wiring.