A pigtail connector is a small wire that makes a big difference. 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, pre-terminated length of cable with one end connected to a connector and the other end left open or spliced into another assembly. Pigtails are widely used in RF, fiber. Strip Insulation: Use wire strippers to expose 3/4 inch of bare metal on each wire's end, including the pigtail wire. Twist Wires: Use pliers to twist the stripped ends clockwise until they're. A recent study revealed 63% of homeowners couldn't name or explain pigtail wiring—a standard practice electricians use daily.