OUTDOOR «STANDARD MOUNTING PLATE INSTALLATION INSTRUCTIONS OUTLET BOX MACHINE SCREWS WIRE: GROUNDING SCREW. MOUNTING PLATE . OUTLET BOX MOUNTING SCREWS LOCKOUTS TURN QFF POWER AT THE MAIN FUSE OR CIRCUIT BREAKER BOX BEFORE STARTING INSTALLATION 1) you are replacing an existing fixture, disconnect nd remove the old fixture: Expose supply wiring fon die outlet bog: 2.