A pigtail connector acts as an electrical bridge with two distinct ends. One side features a molded plug or socket, while the opposite has exposed conductors. Its visual characteristics, including shape, color, and pin count, are entirely dependent on its intended use, whether in automotive, household, or fiber optic systems. These connectors can be a big help when you need to connect two wires, repair damage, or extend a. A pigtail connector is a short length of wire with a factory-terminated connector on one end and bare, exposed wires on the other. It is commonly used when the interface forms of two sections of piping or equipment are inconsistent, or when it is necessary to connect a flange to a plain-end pipe.