Patent ID: 8475189

Claim:
A connection unit connected to each of two ends of a light unit, and comprising: a base adapted to be connected to the light unit and having an extension extending from a top thereof, the extension having two support rods and a separation rod, the two support rods and the separation rod defining two reception areas on the extension, two conductive plates engaged with the two reception areas, a first connecting portion located between the base and the extension; a cover removably connected to the base and having a room defined therein, the extension being inserted into the room, a recessed area defined in a top of the cover and a second connecting portion located on an underside of the cover, the first connecting portion connected to the second connecting portion when the extension is inserted into the room, and a rotatable member removably connected to the recessed area of the cover and having a substantially circular face board which has a reception hole defined therein, the reception hole communicating with the room, a shank connected to a periphery of the reception hole and the rotatable member being rotatable about an axis of the recessed area, the base and the conductive plates being pulled out from the cover from the recessed area and the room respectively.