Which article pertains to wiring systems that are installed beneath flooring?

The correct answer is the article that addresses the specific conditions and requirements for wiring systems installed beneath flooring, which is "Underfloor Raceways." This article is essential for ensuring safety and compliance with electrical standards when conducting wiring installations in environments where the wiring is concealed beneath floor surfaces.

Underfloor raceways are designed to allow for the organized and efficient routing of electrical wiring and can provide a practical solution for distributing power and telecommunications while maintaining the aesthetics and functionality of the space above. This article covers important aspects such as the installation practices, materials suitable for underfloor use, and the necessary access provisions to ensure both safety and accessibility for future maintenance or upgrades.

Understanding the proper application of underfloor raceways is crucial for electricians and engineers, as it helps in adhering to safety codes and reducing the risks of electrical hazards associated with improper wiring setups. Other articles may cover different types of wiring methods and installations but do not specifically address the unique considerations and regulations related to wiring systems that are placed under flooring surfaces.