Question

The outside of electrical wires often have a layer of insulation to protect the user from being shocked. This protective layer is often made from

Answer 1

Most electrical wire is covered in a rubber or plastic coating called insulation.

Step-by-step explanation:

Wires used in homes are usually covered with materials like plastic or rubber, because plastic and rubber are bad conductors of electricity and do not allow current to flow. This prevents us from getting a shock due to a short circuit.