What is the primary focus of Article 110 in the National Electrical Code?

The primary focus of Article 110 in the National Electrical Code (NEC) is indeed on general requirements for electrical installations. This article lays down foundational guidelines that ensure electrical systems are installed safely and effectively. It emphasizes the necessity for proper installation practices, which include considerations for accessibility, identification of equipment, working space around electrical components, and general safety measures.

These general requirements serve as the groundwork for more specific rules found in other parts of the NEC. They establish standards to protect both personnel and property by ensuring that installations are not only functional but also compliant with safety requirements. For instance, Article 110 discusses aspects such as the ratings of equipment, proper guarding of live parts, and the importance of maintaining clear working spaces, which all contribute significantly to the safety and reliability of electrical installations.

In contrast, the other options focus on specific elements that, while important, do not encompass the broader scope of general installation requirements outlined in Article 110. This fundamental article acts as a guide for understanding how the entire electrical system should be safely managed as a whole.