What is NOT a common feature of stringing sheaves used in high voltage operations?

Stringing sheaves are devices used during the process of installing overhead conductors, especially in high voltage operations. These sheaves have several important features that enhance their effectiveness and safety during use.

One notable feature not commonly found in stringing sheaves is flexibility. Stringing sheaves are designed to be rigid and maintain their shape under stress to ensure a reliable path for the conductor during installation. The rigidity helps to prevent deformation and ensures that the sheaves can support the weight and tension of the conductors.

In contrast, features such as conductive coating, grounding capability, and durability are essential. Conductive coating allows for safe handling and reduces the risk of electrical faults. Grounding capability ensures that any excess electrical charge can be safely dissipated, protecting both the equipment and personnel. Durability is crucial as stringing sheaves are exposed to harsh outdoor conditions and must resist wear, corrosion, and mechanical stresses over time.

Thus, the absence of flexibility is a distinguishing characteristic of these tools, as their design prioritizes strength and safety over flexibility, making rigidity a vital attribute for efficient and secure operations in high voltage environments.