3144x

These are used to provide access to the wiring system at junction points or to allow for easier wire pulling through long conduit runs.

A major focus of Article 314 is how these boxes are supported within a structure. The code mandates that boxes must be securely fastened to the building or supported by raceways in specific configurations. Furthermore, accessibility is a core requirement; the code generally requires that all junction boxes remain accessible for future maintenance and inspection. This ensures that if a fault occurs, technicians can safely locate and repair the issue without damaging the building's permanent structure. These are used to provide access to the

The "x" in 314.x often refers to specific subsections that detail different types of enclosures. For example: accessibility is a core requirement