RJ12W is a type of connector used by the Ninigi wiring system. It is a 6-pin modular connector commonly used for data connection and is comprised of two identical rows of six contacts. The contacts are arranged in a dual row configuration and offer a twist lock system for secure connections. RJ12W connectors are used for communications, audio/video, and other applications by connecting cables to devices with a Ninigi compatible port. It is also used in various internal wiring applications, such as connecting cameras and other electronic equipment or connecting sub-systems and an external drive.