When you install ceiling downlight or post hole installation?
In the ceiling, attention will be reserved for wire all lamps, "according to the lighting standard" reserved in place, ensure open holes in the lamp to the lamp is not part of the keel. Finish the ceiling surface, you can open the lamp hole.
Ceiling refers to the residential environment at the top decoration. Simply speaking, refers to the ceiling decoration, is an important part of interior decoration. The ceiling has the function of heat preservation, heat insulation, sound insulation and sound absorption. It is also the hidden layer of electrical, ventilation, air conditioning, communication and fire protection, alarm, pipeline equipment and so on.
In the ceiling, to ensure that the open hole in the lamp to the lamp is not part of the keel. Finish the ceiling surface, you can open the lamp hole.
The lamp is generally in the ceiling opening after installation.
