When two ungrounded circuit conductors touch together, this is called a ground fault. Which scenario also describes a ground fault?

A ground fault occurs when an ungrounded conductor makes contact with a grounded object, such as a grounding conductor or the earth. In the given scenario, the situation where an ungrounded circuit conductor comes into contact with a metal conduit qualifies as a ground fault. This is because the metal conduit is typically connected to ground, resulting in unintended current flow that can create hazardous conditions.

In this context, the other options do not fit the definition of a ground fault. For instance, having two grounded circuit conductors touching does not constitute a ground fault since both are already at ground potential and do not create a dangerous current situation. Similarly, an ungrounded conductor paired with a grounded circuit conductor would not specifically create the fault condition being defined, as the grounded conductor would not energize the equipment or create a fault in the same way as direct contact with a grounded surface like the metal conduit would.

Understanding ground faults is critical for ensuring electrical safety, as they can lead to electrical shock or fire hazards if undetected. This highlights the importance of properly inspecting and maintaining electrical systems to prevent such conditions.