Concealed cable transition model 10314-20, frame and door can be manufactured and delivered separately., The function of the electrical components can be tested at this interface in the factory., The door leaf and frame can be separated for installation without the fitter needing to have any electrical engineering knowledge., The clamp-plug connection on the frame side can be used for direct connection to the house installation without the need for a junction box., A high-quality special cable in the cable transition ensures a long service life for this component, which is subject to heavy loads due to movement., Wear and tear due to chafing in the cable transition is excluded., Easy separation of door leaf and frame for repairs - no electrical engineering knowledge necessary., Interface to building installation - easy connection of maintenance and diagnostic devices, thus easy detection of sources of errors and quick elimination of errors.