Automated Protection System A system of protective devices that automatically opens a circuit when the current exceeds a set limit. A one-cycle disturbance that occurs when a substation capacitor bank is initially switched on. A protective device located on an electrical circuit to interrupt the flow of abnormally large currents. A circuit breaker is the most common means of providing overload and fault protection for customers and utilities. Conductor A substance or body that allows an electrical current to pass continuously along it.
Electrical equipment receives power through electrical conductors.
Electronic Equipment Equipment constructed with electronic chips. Common examples include TVs, radios, stereos, and computers. An abnormal connection causing current to flow from one conductor to ground or to another conductor. A fault may be corrected automatically or may lead to a voltage sag or power outage. Electrical Meter A device for measuring an electrical circuit, such as the watt-hour meter on a house.