Electrical connecting module comprising: a module housing, which comprises a first electrical connection terminal (105, 107) having a first connection pole and a second connection pole, which has a module receptacle for receiving a module element; a module element having a second electrical connection terminal (111, 113), which comprises a first connection pole and a second connection pole, and having a third electrical connection terminal (115, 117), which comprises a first connection pole and a second connection pole; which is insertable into the module receptacle; and a test channel for receiving a test tip; characterized in that the first connection pole of the first electrical connection terminal (105, 107) is electrically connectable to the first connection pole of the second electrical connection terminal (111, 113), wherein the first connection pole of the second electrical connection terminal (111, 113) is electrically connectable to the first connection pole of the third electrical connection terminal (115, 117), wherein the second connection pole of the first electrical connection terminal (105, 107) is electrically connectable to the second connection pole of the second electrical connection terminal (111, 113), wherein the second connection pole of the second electrical connection terminal (111, 113) is electrically connectable to the second connection pole of the third electrical connection terminal (115, 117), such that first electrical connection terminal (105, 107) is electrically connectable to the third electrical connection terminal (115, 117) via the second electrical connection terminal (111, 113), wherein with an existing electrical connection between the first connection pole of the first connection terminal (105, 107) and the first connection pole of the third connection terminal (115, 117), the electrical connection between the second connection pole of the first connection terminal (105, 107) and the second connection pole of the third connection terminal (115, 117) is disconnectable, wherein the test channel is provided for electrically contacting the second connection pole of the first connection terminal (105, 107) by means of the test tip if there is an existing electrical connection between the first connection pole of the first connection terminal (105, 107) and the first connection pole of the third connection terminal (115, 117), and wherein the test channel is provided for electrically contacting the second connection pole of the first connection terminal (105, 107) by means of the test tip if an electrical connection between the second connection pole of the first connection terminal (105, 107) and the second connection pole of the third connection terminal (115, 117) is disconnected. a module housing, which comprises a first electrical connection terminal (105, 107) having a first connection pole and a second connection pole, which has a module receptacle for receiving a module element; a module element having a second electrical connection terminal (111, 113), which comprises a first connection pole and a second connection pole, and having a third electrical connection terminal (115, 117), which comprises a first connection pole and a second connection pole; which is insertable into the module receptacle; and a test channel for receiving a test tip; characterized in that the first connection pole of the first electrical connection terminal (105, 107) is electrically connectable to the first connection pole of the second electrical connection terminal (111, 113), wherein the first connection pole of the second electrical connection terminal (111, 113) is electrically connectable to the first connection pole of the third electrical connection terminal (115, 117), wherein the second connection pole of the first electrical connection terminal (105, 107) is electrically connectable to the second connection pole of the second electrical connection terminal (111, 113), wherein the second connection pole of the second electrical connection terminal (111, 113) is electrically connectable to the second connection pole of the third electrical connection terminal (115, 117), such that first electrical connection terminal (105, 107) is electrically connectable to the third electrical connection terminal (115, 117) via the second electrical connection terminal (111, 113), wherein with an existing electrical connection between the first connection pole of the first connection terminal (105, 107) and the first connection pole of the third connection terminal (115, 117), the electrical connection between the second connection pole of the first connection terminal (105, 107) and the second connection pole of the third connection terminal (115, 117) is disconnectable, wherein the test channel is provided for electrically contacting the second connection pole of the first connection terminal (105, 107) by means of the test tip if there is an existing electrical connection between the first connection pole of the first connection terminal (105, 107) and the first connection pole of the third connection terminal (115, 117), and wherein the test channel is provided for electrically contacting the second connection pole of the first connection terminal (105, 107) by means of the test tip if an electrical connection between the second connection pole of the first connection terminal (105, 107) and the second connection pole of the third connection terminal (115, 117) is disconnected.