What is the weak link in a grounding jumper assembly?

The weak link in a grounding jumper assembly is the cable. This is because the cable is typically exposed to environmental conditions and physical stress that can lead to wear or damage over time. Cables may be subject to factors such as abrasion, corrosion, and mechanical fatigue, which can compromise their integrity. If a cable fails, it can disrupt the entire grounding system, potentially allowing dangerous voltages to remain within the system instead of being safely diverted to the ground.

On the other hand, components like connectors, grounding rods, and clamps are generally designed with more robust materials and construction to maintain their function over time. Connectors are often engineered to provide reliable electrical connections, grounding rods are made of durable metal to withstand outdoor elements, and clamps are designed to ensure a secure mechanical and electrical bond. Therefore, while all components need to be properly maintained, the cable is the most vulnerable part of the assembly.