An illumination device comprising: at least one LED light source (311, 312); a first terminal part electrically connected to an anode side of the LED light source (311, 312); a second terminal part electrically connected to a cathode side of the LED light source (311, 312); and an LED substrate with the LED light source (311, 312), the first terminal part, and the second terminal part, mounted thereon wherein: the first terminal part and the second terminal part each comprises an identical connector having pins, whereby each pin is characterized by a different pin number relating to a different position of the pin; and characterized in that a pin number of the pin of the connector connected to the anode side of the LED light source (311, 312) is different from a pin number of the pin of the connector connected to the cathode side of the LED light source (311, 312), and that in the first terminal part only the pins of the connector with a pin number connected to the anode side of the LED light source (311, 312) are electrically connected and in the second terminal part only the pins of the connector with a pin number connected to the cathode side of the LED light source (311, 312) are electrically connected. at least one LED light source (311, 312); a first terminal part electrically connected to an anode side of the LED light source (311, 312); a second terminal part electrically connected to a cathode side of the LED light source (311, 312); and an LED substrate with the LED light source (311, 312), the first terminal part, and the second terminal part, mounted thereon wherein: the first terminal part and the second terminal part each comprises an identical connector having pins, whereby each pin is characterized by a different pin number relating to a different position of the pin; and characterized in that a pin number of the pin of the connector connected to the anode side of the LED light source (311, 312) is different from a pin number of the pin of the connector connected to the cathode side of the LED light source (311, 312), and that in the first terminal part only the pins of the connector with a pin number connected to the anode side of the LED light source (311, 312) are electrically connected and in the second terminal part only the pins of the connector with a pin number connected to the cathode side of the LED light source (311, 312) are electrically connected. the first terminal part and the second terminal part each comprises an identical connector having pins, whereby each pin is characterized by a different pin number relating to a different position of the pin; and characterized in that a pin number of the pin of the connector connected to the anode side of the LED light source (311, 312) is different from a pin number of the pin of the connector connected to the cathode side of the LED light source (311, 312), and that in the first terminal part only the pins of the connector with a pin number connected to the anode side of the LED light source (311, 312) are electrically connected and in the second terminal part only the pins of the connector with a pin number connected to the cathode side of the LED light source (311, 312) are electrically connected.