Abstract: Support clips for supporting the mounting brackets of an electrical fixture in a junction box are disclosed. The clips are formed from a single piece of sheet material and are adapted at one end to be crimped between the junction box and the junction box cover, and at the other end to engage and support the mounting brackets disposed on the ends of the fixture. In the case where the electrical fixture is a duplex receptacle, the clips serve to prevent the pivoting of the receptacle about a single center mounting screw during insertion of a plug into one of the receptacle outlets, and thereby prevent the mounting screw from loosening after repeated usage of the receptacle.