RJ11, RJ12, RJ22 Telephone Modular Plugs (Cable En
There are many different types of modular plugs, depending on your application, and the type of cable you are putting these ends on. It's best to know both, before you purchase these ends. There is RJ11 (6 Position, 4 Conductor), RJ12 (6 Position, 6 Conductor), and RJ22 - Handset Plug (4 Position, 4 Conductor). There is also Solid Wire and Stranded Wire, and Round and Flat cable.