4 Alcoa ASSEMBLY & INSTALLATION INSTRUCTIONS MODEL: 508920 DULUTH 2 LIGHT WALL SCONCE ELECTRICAL / MOUNTING INSTALLATION STEP 1: STEP 2: STEP 3: STEP 4: STEP 5: Attach mounting plate to outlet box with the (2) 8-32 x 3/4" S Crews. Connect bare ground wire from the outlet box (if supplied) with connectors. Refer to wiring diagram.