It is well designed to cover the existing J-box when you need to install the suspended panels.
Model#SA-1 Diamter：148mm Compatible with 4" Square ,4" Round, 4" Octagon, 3.5" Octagon Junction boxes.
Model#SA-2 Diamter：111mm Compatible with 4" Round, 4" Octagon, 3.5" Octagon Junction boxes.
Step 1: Align the holes on the bracket and screws on the J-box, and fix the bracket on the J-box.
Step 2: Fix cable by screwing the black plastic.
Step 3: Open the knock-out and connect AC wires and dimming wires. Then put the cover against the ceiling.
Step 4: Screw the cap into base clockwise.
Step 5: Adjust the length of metal strings and screw the cap tightly.