The cover (1) includes the casing of the cable loom and the insertion supports of the connector. By using a casing made of a protective tube, the cover comprises two hinged (4) half shells, which can be locked (10, 11) together. The half shells are made of a synthetic material.The cable loom side area (6) of the cover and the connector side area (5) of the cover have elements for grasping the protective tube and the insertion supports respectively.