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Jumper Wire are in stock at Tenco Electronics. A jump wire (also known as jumper, 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 Wire. There are different types of jumper wires. To know more, please view our large section of Jumper Wire below.