Abstract: A mounting device for a lighting fixture includes an adaptor ring which is attachable by screws to an electrical junction box, a cover plate that fits into a central aperture in the adaptor ring to provide a closure for the junction box, and a passage into the junction box for wires from the fixture, a mounting chassis that attaches to the adaptor, at least one gripper on the chassis that is attachable to a supporting member for the fixture, a temporary support member that supports the fixture while wiring connections are made, and a canopy that provides a cover for the adaptor, the chassis, and the junction box.