What are EWIS connectors? Meet the Connector: EWIS Connectors EWIS connectors and cables are components used in the Electrical Wiring Interconnection System (EWIS) of an aircraft. The EWIS represents a unified approach to aircraft wiring design that encompasses all the wiring, connectors, terminals, and related devices necessary for transmitting electrical power and signals, and carries information … Continue reading What are EWIS connectors?