The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Tools**: Electricians use tools like screwdrivers and pliers for repair work. These tools are often used in environments where there is electrical wiring.

2. **Material of Handles**: The handles of these tools are covered with materials such as plastic or rubber.

3. **Properties of Plastic and Rubber**: Both plastic and rubber are known to be insulators. This means that they do not conduct electricity.

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