Which component is critical to maintaining effective conduit operation?

Proper sealing of connections is essential for maintaining effective conduit operation because it prevents moisture, dirt, and other contaminants from infiltrating the system. This sealing ensures that electrical connections remain intact and protected from environmental factors that could lead to degradation or failure. By maintaining the integrity of these connections, the overall performance and reliability of the conduit are upheld, which is crucial for the safe and efficient functioning of any electrical installation.

The other aspects, such as temperature consistency, lubrication application, and inspections, while important, do not specifically address the immediate integrity of the conduit connections, which is vital for operational effectiveness. Proper sealing acts as a first line of defense against potential issues that could arise from external conditions, making it a critical component of conduit operation.