Which type of raceway is addressed in Article 372?

The correct focus is on the type of raceway discussed in Article 372, which specifically addresses Cellular Concrete Floor Raceways. This type of raceway is designed for installation in poured concrete floors, allowing for electrical conductors to be routed safely within the concrete slab. Cellular concrete floor raceways are utilized primarily in commercial and industrial settings where the layout of electrical systems needs to be integrated into the building’s structure.

The NEC emphasizes proper installation and adherence to safety standards, which Article 372 outlines for this specific type of raceway, ensuring that electrical systems are installed in a manner that minimizes hazards and accommodates maintenance.