What is meant by "overcurrent" in electrical systems?

Overcurrent refers to a condition in an electrical system where the current flowing through a circuit exceeds its rated capacity. This situation can occur due to a variety of reasons, such as overload of equipment, short circuits, or equipment failure. When too much current flows, it can generate excessive heat, which poses a risk of damage to electrical components, wiring, and can even lead to fire hazards. Overcurrent protection devices, such as fuses and circuit breakers, are crucial in electrical systems as they help to disconnect the circuit when an overcurrent condition is detected, ensuring system safety and integrity.

The other options do not accurately describe overcurrent; for example, low voltage pertains to insufficient electrical potential rather than excessive current, while short circuit indications focus on a specific fault condition rather than the broader issue of current exceeding limits. An interrupted current phase is also unrelated, as it discusses a break in current flow rather than an excess of it. Thus, identifying overcurrent accurately is vital in the electrical field for maintaining safe operating conditions.