What is the purpose of insulation in electrical wiring?

The purpose of insulation in electrical wiring is primarily to prevent accidental contact and protect against electrical shock. Insulation acts as a protective barrier around conductive materials, preventing unintended contact with other conductive objects or the human body. By maintaining a separation between the live electrical wires and the environment, insulation helps ensure safety, reducing the risk of electrical hazards, such as short circuits or electrical fires.

In addition to safety, insulation also helps maintain the integrity of the electrical current within the wires, allowing the current to flow efficiently without leakage. However, the primary role of insulation is focused on safety and prevention of electrical shock, which is why this option is the most accurate choice.