What do stress cones relieve in an electrical connection?

Stress cones are specifically designed to manage and alleviate the mechanical and electrical stresses that occur in electrical connections, particularly at the point where conductors transition into cable terminations or at joints. The primary function of these devices is to distribute the electric field uniformly around the connection, which helps in preventing electrical discharges or failures due to stress concentration.

When electrical current passes through a connection, it can create stress points, especially in high-voltage scenarios, where the intensity of the electric field can be very high. This can lead to problems such as dielectric breakdown or arcing if not properly managed. By employing stress cones, the mechanical stresses associated with the physical layout of the connections are relieved, ensuring a more stable and reliable operation.

This focus on relieving stress on the electrical connection helps in prolonging the life of the equipment and maintaining efficiency in electrical systems.