Which of the following is NOT a benefit of proper grounding?

Proper grounding is essential in electrical systems for several reasons. The benefits associated with grounding practices include protection from electrical shocks, reduction of noise in electrical systems, and improvement of system efficiency.

Protection from electrical shocks is achieved by providing a low-resistance path for fault currents to flow safely to the ground, thus minimizing the risk of electric shock to personnel. This foundational safety measure is crucial in any electrical installation.

Reduction of noise in electrical systems is another significant advantage of proper grounding. Grounding helps to minimize electromagnetic interference (EMI) and radio frequency interference (RFI), which can affect sensitive electronic equipment and communication lines. By ensuring that these systems are properly grounded, the effects of electrical noise are greatly diminished.

Improvement of system efficiency occurs as a result of proper grounding as well. A well-grounded system can operate more reliably, reducing the likelihood of erratic behavior and inefficient operation of equipment.

The mention of downtime caused by equipment failure is incorrect in the context of benefits of proper grounding. In fact, effective grounding serves to minimize downtime by protecting equipment from issues that can arise from electrical faults, thereby enhancing the overall reliability of electrical systems.