Jumper Wire definition: A Jump Wire is an electrical wire, or group of them in a cable, with a connector or pin at each end (or sometimes without them–simply "tinne... Jumper Wire Product Listing: 38-20,38-16.Prototyping, Fabrication Products type:Adapter, Breakout Boards(1574),3D Printing Filaments(1444),Jumper Wire(998),Prototype Boards Perforated(992),Accessories(541) .Jumper Wire has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Elecinsight.