Which condition could also cause an overcurrent aside from short-circuits and overloads?

Ground faults can indeed cause an overcurrent situation in a circuit. A ground fault occurs when there is an unintended connection between a live conductor and the ground or a conductive surface that is at ground potential. This can create a substantial current flow, bypassing the intended load and possibly leading to equipment damage, overheating, or even fire hazards.

When a ground fault occurs, the current can significantly exceed the normal operating level, which is characteristic of an overcurrent condition. This is particularly critical in circuits where safety devices, such as circuit breakers or fuses, may trip to prevent further damage or ensure the safety of individuals.

In contrast to ground faults, amplified circuits typically refer to conditions that could enhance or intensify signals rather than leading to current draw issues. Temperature changes can affect resistance but do not directly cause overcurrent conditions like ground faults do. Open circuits result in a lack of current flow rather than an excess, which wouldn't constitute an overcurrent scenario.