The living room lights are three sets of lights, only the LED is on with the switch, and they are al

It is best designed in this way that the three groups of lights can be controlled on and off separately. If you don't need to, you can control three groups of lights with one switch.

The downlights in the living room are generally colored according to the decoration style, the downlights in the living room are generally warm white, the light is softer, and the home is clean and warm. The biggest feature of the living room downlight is that it can maintain the overall system of living room decoration. >>>More

At home, it is better to have a brighter living room, a darker bedroom, and a living room to receive guests, which is too dark, so it is recommended that you make it brighter.

I guess it's the reason for not being grounded. The working voltage of the LED only needs a few volts, and if it is only connected to the neutral wire, there will be electricity on the line. >>>More

The one that changes a set of lights once and doesn't turn on, you think the switch is broken, change to a single switch, and it doesn't turn on. Judging from the picture you sent, the switch is an ordinary switch, now the light is not on, it should not be the problem of the switch, it should be that the driver of the lamp is broken, the driver outputs several sets of lines to several groups, etc., and the driver controls whether these groups of output lines have electricity, so it is necessary to replace the driver of the broken lamp to make the lamp normal.