What must electrical equipment be capable of during ground-fault conditions?

The capability of electrical equipment to carry the maximum ground-fault current during ground-fault conditions is essential for safety and reliability within electrical systems. Ground-fault conditions occur when there is an unintended path for current to flow to the ground, which can create potentially hazardous situations, including electrical shock or fire.

In such scenarios, the equipment must be designed to handle the peak ground-fault current without failure. This includes ensuring that the equipment's components can withstand the thermal and mechanical stresses caused by the fault current. This requirement is crucial in preventing damage to the equipment, maintaining safety, and ensuring effective operation of protective devices like circuit breakers and fuses, which rely on the ability to detect excessive current.

The other options do not align with the fundamental purpose of grounding and bonding practices. For instance, creating an overcurrent condition is not desirable, enhancing voltage output does not relate to ground-fault scenarios, and minimizing interference from external devices, while important in other contexts, does not address the immediate concerns during a ground-fault situation. Thus, the need for equipment to safely carry maximum ground-fault current is a critical requirement to uphold electrical safety.