What is an Independent Laboratory primarily engaged in?

An Independent Laboratory is primarily engaged in performing inspections and tests. These laboratories are often called upon to assess the safety, durability, and compliance of various products and systems against established standards and regulations. Their role is critical in verifying that materials and equipment function as intended and adhere to safety norms, thereby ensuring reliability and consumer protection.

In the context of the options provided, while designing electrical systems, conducting research projects, and manufacturing electrical equipment are important functions within the electrical industry, they do not fall under the core mission of an Independent Laboratory. These entities focus specifically on testing and inspecting rather than on design or manufacturing activities. Hence, the emphasis on testing and inspections captures the essence of what Independent Laboratories do in the quality assurance process.