1. Materials that allow electricity to pass through them are called conductors.
Conductors Examples:
Copper, Silver, Gold, Aluminum, Iron, Steel
2. Materials that do not allow electricity to pass through them are called insulators.
Insulators Examples:
Plastic, Glass, Rubber, Wood, Porcelain
3. Conduction materials include metals, electrolytes, superconductors, semiconductors, plasmas.
4. Insulators