JL10 & JL04V Standard Circular Connectors JAE Electronics JL10 and JL04V Standard Circular Connectors include JL04V Series wire soldering type and JL10 Series one-touch locking connectors. JL10 one-touch / screw mating dual connectors are compatible with JL04V screw mating plugs. JL10 and JL04V connectors are IP67 waterproof and dustproof. These JAE Electronics circular connectors are ideal for use in a variety of applications, including industrial machinery and servo motors.