Copper white is not a recognized material or term. It is possible that you are referring to copper, a metal that is an excellent conductor of electricity.

Here's why:

* Copper is a metal known for its high electrical conductivity. This is due to its free electrons, which can easily move and carry an electrical current.

* Insulators are materials that resist the flow of electricity.

Therefore, if you are asking about the conductivity of copper, it is a conductor.