Materials that allow electricity to flow are called

Conductors

Explanation:

The ability of electrical energy to flow through materials is referred or called conduction. Metals and Copper wire is a good conductor.

Electrical energy can easily flow through them in matter of seconds or lets say in a blink of an eye.

It must be taken in account that not all conductive materials have the same level of conductivity, and also not all insulators are equally resistant to electron motion.

Some examples of conductors are:

silver, copper, gold, aluminum, iron, steel, brass, bronze ,mercury , graphite etc