What installs in systems over 60 VDC for safety monitoring?

A Ground Fault Monitor is essential in systems operating over 60 VDC because it provides crucial safety monitoring by detecting leakage currents that may indicate a fault condition. In high voltage direct current systems, ground faults can lead to severe hazards, including electrical shock or fire risks. The Ground Fault Monitor continuously evaluates the current flowing in the system and detects any imbalances that suggest current leakage to ground or other unintended pathways, thereby allowing for prompt corrective action.

This device enhances safety by allowing operators to identify and mitigate dangerous conditions before they escalate. It's important for maintaining safe operational standards in environments where high voltage DC systems are used, making it a mandatory component for installation in such systems. The focus is on preventing electrical hazards, particularly in applications like marine or industrial systems where safety is of utmost importance. Other choices, while useful in different contexts, do not provide the same specific safety function required for monitoring ground faults in high voltage DC environments.