L-connector as an optional extension for the Check-In single-circuit track lighting system With the help of this L-connector, lights can be installed, for example, in corners. Thanks to the 90° angle and the capped, conductive mount, the connector is not only a good alternative in the home but can also be a real eye-catcher. This is also ensured by the high-quality metal. Thanks to the many extensions that are available for this system, there are almost no limits to your imagination.