What is one key benefit of a grounding system?

A grounding system plays a crucial role in ensuring safety in electrical installations. One key benefit of having a grounding system is its ability to prevent electrical shock hazards. By providing a safe path for excess electricity to flow to the ground, grounding helps to protect individuals from electric shock if they come into contact with live wires or faulty equipment. This is particularly important for maintaining safety in environments where electrical equipment is used, as it mitigates the risks associated with potentially faulty circuits or surges of electricity.

The other options do not accurately reflect the primary functions of a grounding system. While grounding may contribute in a minor way to energy efficiency, it is not directly designed to reduce energy consumption. Grounding does not eliminate the need for circuit breakers; instead, it works in conjunction with them to enhance safety. Lastly, grounding does not increase voltage within circuits; in fact, it is used to stabilize voltage levels to prevent surges and ensure reliable operation. Therefore, the primary benefit of a grounding system is its effectiveness in preventing electrical shock hazards.