Jumper, Specialty are in stock at Tenco Electronics. A jumper (also known as jump wire, jumper wire, jumper cable, DuPont wire, or DuPont cable - named for one manufacturer of them) is an electrical wire or group of them in a cable with a connector or pin at each end (or sometimes without them - simply "tinned"), which is normally used to interconnect the components of a breadboard or other prototype or test circuit, internally or with other equipment or components, without soldering.Tenco offers inventory, pricing, & datasheets for Jumper, Specialty. To know more, please view our large section of Jumper, Specialty below.