A connector, in particular an RJ45 connector, having: - a cable end device, with -- at least one line receiver, into which an associated electrical line of a cable can be inserted at least in sections along a line insertion direction and -- an arrangement side, which has at least one line contact opening, which is connected with an associated line receiver, - a housing device with -- a cable end device receiver, into which the cable end device can be inserted at least in sections linearly along an insertion direction differing from the line insertion direction and -- at least one line contact, which can be inserted at least in sections into an associated line contact opening through the insertion of the cable end device into the cable end device receiver and through which an associated electrical line can be contacted electrically and - a cover device, which can be arranged along the insertion direction against the housing device and can be fastened on the housing device, characterized in that the cable end device has at least one engagement apparatus, which can be brought to engage with an associated complementary engagement apparatus of the cover device and the cable end device receiver has at least one guide element, with which an associated complementary guide element of the cable end device can be contacted, whereby the cable end device is only displaceable linearly along the insertion direction in the cable end device receiver and the housing device has at least one cover guide element, with which an associated complementary cover guide element of the cover device can be contacted, whereby the cover device is only displaceable linearly along the insertion direction relative to the housing device. - a cable end device, with -- at least one line receiver, into which an associated electrical line of a cable can be inserted at least in sections along a line insertion direction and -- an arrangement side, which has at least one line contact opening, which is connected with an associated line receiver, -- at least one line receiver, into which an associated electrical line of a cable can be inserted at least in sections along a line insertion direction and -- an arrangement side, which has at least one line contact opening, which is connected with an associated line receiver, - a housing device with -- a cable end device receiver, into which the cable end device can be inserted at least in sections linearly along an insertion direction differing from the line insertion direction and -- at least one line contact, which can be inserted at least in sections into an associated line contact opening through the insertion of the cable end device into the cable end device receiver and through which an associated electrical line can be contacted electrically and -- a cable end device receiver, into which the cable end device can be inserted at least in sections linearly along an insertion direction differing from the line insertion direction and -- at least one line contact, which can be inserted at least in sections into an associated line contact opening through the insertion of the cable end device into the cable end device receiver and through which an associated electrical line can be contacted electrically and - a cover device, which can be arranged along the insertion direction against the housing device and can be fastened on the housing device,