This is accomplished by splicing the incoming hot wire (usually black) together with two short black pigtails using a wire nut. Each of these two pigtails then connects to one brass-colored terminal screw on the two individual switches, supplying continuous power to both devices. We'll guide you through the fundamentals of creating secure links between multiple conductors and terminals. This professional method prevents one faulty outlet from. A pigtail wire is a short cable used to lengthen short wires. These short wire segments solve space constraints in junction boxes by creating a central hub. Imagine three wires needing to. AITAF provides end‑to‑end optical communication solutions, structured cabling, ODN, optical modules, fiber testing instruments, data center networks, base station energy, smart city communications.