The invention relates to a contact housing (1) for at least two electrical contact means, in particular for an electrical plug connector or mating connector for the automotive sector, with two contact-housing modules (10, 20), with a first electrical contact means being able to be set up in a first contact-housing module (10) and a second electrical contact means in a second contact-housing module (20), the contact-housing modules (10, 20) being provided to be able to be moved towards one another and being able to be fixed to one another, in particular being able to be mutually latched with each other. Further, the invention relates to an electrical plug connector or an electrical mating connector, in particular an electrical female connector, and to an assembled electrical line, the electrical plug connector or the electrical mating connector, or the assembled electrical line having a contact housing (1) according to the invention.