What electrical component must comply with NEC guidelines when being installed outdoors?

When considering the installation of electrical components outdoors, conduit serves a crucial role in protecting electrical wiring from environmental hazards, such as moisture, UV exposure, and physical damage. The National Electrical Code (NEC) specifies that conduits must be suitable for outdoor use to ensure the safety and longevity of electrical systems.

Conduits designed for outdoor use, such as PVC or rigid metal, must meet certain requirements to be compliant with NEC guidelines. These materials are chosen for their ability to withstand outdoor conditions without degrading or failing. Proper installation of conduit includes considerations for drainage, support, and securing connections to prevent moisture ingress.

While other components like meter sockets, transformers, and junction boxes also need to be constructed and installed according to NEC standards, conduit is specifically critical as it is the protective pathway for the wiring that can be directly exposed to outdoor elements. This makes the correct identification of the conduit as a key component that requires adherence to NEC guidelines when installed outdoors.