Wieland BST14i2 Plug and Socket Connectors KNX, Dimmable Wieland BST14i dimmable plug and socket connectors are a versatile connector system ideal for the transfer of both anolog and digital dimming signal, mechanically and colour coded for ease of assembly and to prevent misconnections. Connectors available with spring-clamp termination connection, which feature built in strain relief once assembled and snap in spring loaded panel mount connector versions. Green coded BST14i2-connectors are suitable for KNX installations, while blue coded BST14i2 connectors are suitable for dimming signals. Rated at 50V, 3A