Electrical protection systems are designed to safeguard electrical equipment and personnel from damage and hazards caused by faults such as overcurrent, short circuits, and earth faults. Overcurrent protection prevents excessive current flow in a circuit, which can cause overheating and damage to wires and components. Circuit breakers, fuses, and overcurrent relays are commonly used to detect and interrupt overcurrent conditions. Short circuit protection addresses situations where a live conductor comes into direct contact with another conductor or ground, causing a sudden surge in current. Circuit breakers and fuses are designed to detect short circuits and disconnect the faulty circuit to prevent equipment damage and fire. Earth fault protection detects leakage currents that flow to the ground due to insulation failure or damaged wiring. Earth leakage relays and ground fault circuit interrupters (GFCI) are used to quickly isolate the circuit and prevent electric shock or fire. These protection systems work together to ensure the safe and reliable operation of electrical systems by detecting faults and automatically disconnecting the power supply when necessary.