What should be considered when selecting a fitting to connect conduit to an electrical box?

When selecting a fitting to connect conduit to an electrical box, considering the size and type of conduit and box is essential. The fitting needs to match the diameter of the conduit to ensure a proper fit and maintain the integrity of the electrical installation. Additionally, the type of conduit—such as rigid, flexible, PVC, or EMT—can dictate the type of fitting required for a secure and compliant connection.

Ensuring that the conduit size matches the knockout or entry point of the electrical box is crucial for safety and functionality. A correctly sized fitting helps avoid issues such as loose connections, which can lead to electrical failures or pose safety hazards. Thus, focusing on size and type is fundamental to achieving a reliable conduit-to-box connection.

Considering environmental factors, color coding, or overall length, while sometimes relevant in broader contexts, does not directly address the critical aspect of how to securely connect conduit to an electrical box. These factors might come into play in other specific scenarios regarding installation practices but are not the primary considerations in this particular context.