Answer:
Grounding is necessary in electrical devices and equipment for several reasons:
1. **Safety:** Grounding provides a safe path for excess electrical current to flow in the event of a fault or surge. This helps prevent electric shock to users and reduces the risk of fire.
2. **Equipment Protection:** Grounding helps to protect electrical equipment by providing a path for fault currents to return to the earth, preventing damage from overvoltage conditions.
3. **Noise Reduction:** Grounding can help reduce electromagnetic interference and improve the performance of sensitive electronic equipment by providing a reference point for signal voltages.
Explanation:
Overall, grounding is an essential aspect of electrical safety and equipment functionality, providing protection for both users and devices.