Electrician's Licensing Practice Exam

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What does NEC Article 230.9(A) address?

Wiring specifications for high voltage circuits
Clearances on buildings
Bonding requirements for electrical systems
Grounding requirements for public utilities

The correct answer is: Clearances on buildings

NEC Article 230.9(A) specifically addresses the clearances required for overhead conductors and their terminations on buildings. This section outlines the minimum distances that electrical conductors need to maintain from various structures to mitigate safety hazards such as electrical shock or fire. The intent behind these clearance requirements is to ensure that there is adequate space between the conductors and potential points of contact, which protects both the integrity of the electrical system and the safety of individuals nearby. In contrast, wiring specifications for high voltage circuits, bonding requirements for electrical systems, and grounding requirements for public utilities fall under different articles within the NEC that focus on distinct aspects of electrical standards and safety measures. Each of these topics is critical for ensuring safe electrical installations but are not the primary focus of Article 230.9(A).