An electric through-wall terminal having a housing and a contact device, at which a plug zone is provided for accommodating a test- and/or connection plug. A first conductor terminal is provided which is connected with a first contact unit of the contact device. A second conductor terminal is connected with a second contact unit of the contact device. The housing comprises plug-in apertures on two sides from each of which a test- and/or connection plug can be inserted into the plug zone for contacting the first and second contact units.