1. First of all, there are many types of lamp junction boxes, single, double and multiple combinations. The structures are all different. You can use a small flat head screwdriver to open the two loops located under the outermost panel. cabling.
2. After removing the top panel, you will see two screws on the left and right sides. Use a screwdriver to unscrew them counterclockwise.
3. Finally, the wiring is closed and it opens.