What should a worker do if the grounding assembly is loosened during operation?

In the scenario where the grounding assembly has loosened during operation, it is crucial for the worker to prioritize safety and communication. Notifying a supervisor before taking any further action is the best course of action. This ensures that the situation is assessed properly by someone who may have more experience or authority to decide on the appropriate response, especially since the integrity of grounding systems is vital for safety in electrical work.

Grounding systems play a critical role in protecting both equipment and personnel from electrical faults, so it is important to handle any issues involving them with caution. By reporting the situation, the worker ensures that the necessary assessments can be made to rectify the issue without the risk of introducing further hazards or compromising the safety protocols in place.

The other options may lead to unsafe conditions or improper handling of the situation, which is why they do not represent the best practice in this context.