3M™ Direct Bury Products splice and effectively moisture-seal two or more wires for exposed electrical connections, such as irrigation and outdoor lighting systems. With 3M Insulation Displacement Connectors, simply insert unstripped wires into the compact plastic connector and squeeze to make a reliable connection without ever stripping off insulation. 3M makes them for electrical and telecommunications, including moisture-resistant and automotive applications, and offers easy-to-use crimping tools.