About the installation hole of LED recessed ceiling lights

     The LED recessed ceiling lights installation hole edge to the edge of the ceiling should be greater than 5 cm. First determine the position of the keel, calculating the distance. If it is plasterboard should to open hole before brush coating. The ventilation pipe is generally on the ceiling, pay attention to the surrounding there is no sewer, to calculate the bending size of ventilation pipe before the ceiling decoration.
     To open hole for LED ceiling light in the integrated ceiling, pay attention not to open  hole on lightgage steel joist, avoid damage to load-bearing structure.
     As far as possible to open hole in a plate, avoid open hole on the connections of two or three plates.
     To open hole before brush paint. LED ceiling fixtures diameter measured before open hole. Then draw a "+" in the gypsum board, the "+" is the length of the lamp diameter. Then use the wallpaper knife rip open along the "+" on ceiling. Then cut a circle according to the "+", that's it. Notice that, try the lamp whether it can be put into hole after the open hole, and then take it out and brush paint. To installation lamp after the dry of latex paint.

The above article from Sourcechip official website (http://www.sc-ledlights.com/)
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