What does overheating in a conduit typically indicate?

Overheating in a conduit is commonly indicative of an improper size of conduit. When the conduit is undersized for the number or size of conductors it contains, it can lead to insufficient airflow and cooling. Electrical wires generate heat as current flows through them, and if they are crowded in a conduit that doesn’t allow enough space, this excess heat cannot dissipate effectively. This situation increases the temperature within the conduit, which can lead to insulation deterioration and potential failure of the wires themselves. Proper conduit sizing is essential for efficient heat dissipation and to ensure the safe operation of electrical systems, helping to prevent overheating issues.