Which Article in the National Electrical Code pertains to park trailers?

The correct identification of the Article in the National Electrical Code (NEC) that pertains to park trailers is indeed Article 552. This Article specifically provides guidelines and requirements for the installation of electrical systems in park trailers, which are designed for temporary or seasonal occupancy. It addresses aspects such as wiring methods, disconnects, grounding, and other safety considerations essential for ensuring safe electrical installation and operation in these types of structures.

Understanding this Article is crucial for anyone involved in the design, installation, or inspection of electrical systems in park trailers, as it ensures compliance with safety standards and promotes the well-being of occupants. The inclusion of specific requirements helps to mitigate risks associated with electrical hazards in these mobile living spaces.