4. Assemble the light fixture (A) by screwing 12” tubes(C) to the top of the light fixture (A) first. Then screw in the remaining 6” tubes (D). Note: Before assembling the tubes with the branch wire, choose the number of tubes to adjust the height. D C EE 6. Secure the light fixture (A) to the junction box by placing it over the support screws (CC) and securing with the cap nuts (FF).