Which of the following is NOT a common reason for grounding electrical systems?

The option regarding the elimination of electrical transformers is not a common reason for grounding electrical systems. Grounding serves several purposes, primarily focused on safety and performance enhancements in electrical systems.

Grounding provides protection against electrical shocks, which is crucial for ensuring the safety of personnel working with or near electrical installations. By grounding, the excess electrical charges can be directed safely into the earth, minimizing the risk of shock.

Additionally, grounding helps minimize interference in sensitive electrical equipment. This is important in environments where precision is crucial, as grounding can mitigate issues caused by electromagnetic interference or electrical noise, thereby ensuring the proper functioning of sensitive devices.

Furthermore, grounding improves power quality by ensuring a stable reference point for the electrical system. This helps in maintaining consistent voltage levels and reduces the likelihood of voltage fluctuations that can lead to inefficiencies or damage to equipment.

In contrast, grounding does not eliminate the need for electrical transformers. Transformers are essential components in electrical systems used to change voltage levels for efficient power distribution and are not redundant due to grounding practices. Thus, the statement about the elimination of electrical transformers does not align with the primary purposes of grounding in electrical systems.