ASSEMBLY.AND INSTALLATION VERSION 2 1. ,Threadlike the Nipple with the Key Washer and Hex Nut o the Cross bar, then attach the Cross Bar to the Outset Box by using poss Taunting Screws. 2, Make wire connections: ~Smooth wire (w/marking) from the light to black wire from power solstice --Ribbed wire (wio marking) from.the light o white wire from power source ~-Attach the ground wire to tha cross bar with a green ground screw. Carefully tuck wire back into the OUTLET BOX 3.