ASSEMBLY & INSTALLATION INSTRUCTIONS i MODEL: 508931 K alone DULUTH 1 LIGHT BATH ELECTRICAL / MOUNTING INSTALLATION STEP 1: Attach mounting plate to outlet box with the (2) 8-32 x 3/4â fâ (COUNTING PLATE Screws. SCREW BLACK A WH WIRE SUPPLY O | GROUND WIRE SUPPLY â STEP 2: Connect bare ground wire from the outlet box (if supplied) wrx | Boxer with connectors. TN oO INCLUDED} STEP 3: Refer to wiring diagram.