What is the first step in identifying a ground fault on the switchboard?

The first step in identifying a ground fault on the switchboard involves notifying the Engineering Officer (EO). This is crucial because the EO is responsible for overseeing the engineering department and will provide the necessary support and decision-making in response to the ground fault. The EO's knowledge and authority are vital in assessing the situation, coordinating the investigation, and implementing safety protocols.

Having an experienced officer involved ensures that all subsequent actions taken to identify and address the fault are systematic and safe. While other steps are important in investigating a ground fault, such as checking for physical damage or isolating circuits, these actions generally follow the initial notification of the EO, as they would provide guidance on how to proceed, potentially call for shutdown operations, and ensure all crew members are informed and safe.