STANDARD MOUNTING PLATE INSTALLATION INSTRUCTIONS GROUNDING SCREW GROUNDING WIRE. OUTLET BOX MOUNTING BRACKET OUTLET BOX MOUNTING SCREWS LOCK NUTS NIPPLE FIXTURE NUTS CAUTION: DISCONNECT POWER DURING INSTALLATION 1.) If you are replacing an existing fixture, disconnect and remove the old fixture. Expose the supply wiring from the outlet box. 2.} Thread the nipple into the opposite side of the mounting bracket from the green ground screw, lock the machine screws into place with lock nuts. 3.