An apparatus includes an accessory module for a ground monitor that monitors current in a pilot conductor and/or a grounding conductor, which is in a power cable assembly connecting a power source and load. The pilot conductor injects a signal in the grounding conductor. The accessory module includes signal connectors that include multiple connection points. Each connection point provides access to a signal within the ground monitor. The connection points access signals for an output of a circuit monitoring current in the pilot conductor or ground return, a circuit responding to a peak current in the pilot conductor or ground return transitioning below a threshold, a circuit responding to an average current in the grounding conductor transitioning below a threshold, and/or a circuit indicating trip status of a contact in the power source. The connection point signals are in addition to signals from the ground monitor to the power source.