This article explores the latest methods for fault detection that can be used to improve the reliability and safety of electrical systems. Electrical faults are caused by disturbances within a power system network and these disturbances can result in severe economic losses. What is an electrical fault? An electrical fault is an abnormal condition within an power distribution system that results in improper system voltages and current flows. A fault in an electrical system can lead to extended outages, equipment damage, fires, and personnel injuries.