What is the minimum bending radius in relation to the overall diameter for reverse curves in lead covered cables?

The minimum bending radius for reverse curves in lead covered cables is crucial to maintain the structural integrity and performance of the cable. A radius of eight times the overall diameter is established as a standard guideline to prevent damage that could occur from excessively sharp bends. When cables bend too sharply, it can lead to stress on the insulation and conductors within, potentially resulting in degradation, signal loss, or even cable failure.

By adhering to this eight times diameter guideline, engineers ensure that the cable maintains its functionality and longevity, allowing for safe installation in areas where bends and turns are necessary. This standard is widely recognized across various applications and is designed to minimize the risk of mechanical stress on the materials, thus enhancing the reliability of the electrical infrastructure.

In contrast, the other options represent bending radius standards that may not sufficiently accommodate the requirements for lead covered cables. Specifically, using a smaller radius could lead to risks that the eight-times standard effectively mitigates.