Every time you turn on and off the lights in the living room, the lights in the bedroom have to flas

The wires are too thin and not done according to national regulations. The minimum wires of the state regulations are strictly forbidden to be used. >>>More

The light is flashing, indicating that the line is in poor contact. If the headlights are turned on, it does not flash, indicating that the fault point does not flash due to the heat that improves the contact of the fault point when passing through a large current. Check the lines, especially the bedrooms, and the main line junctions. Then there is the switch switch.

There is a problem with the bulb of the bedroom light, it may be that the service life is coming to an end.

This problem is generally that the wire is reversed, that is, after you disconnect the switch, the live wire is still connected, but the neutral wire is disconnected. There are many LED lamps and lanterns that have this problem. Depending on where you bought it, this problem will not occur with good quality.

The electricity is grounded, and the zero live wire is reversed