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The first possibility is that the neutral wire is broken, or the live wire at the circuit switch is off, and the second possibility is that the neutral wire has a filament on the live wire, but the safety does not jump. Generally, the first is probably the largest.
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The first one mentioned upstairs is probably the most common. It is advisable to check the circuit.
Guangzhou real decoration provides you with reference information.
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It should be that the bulb and the lamp holder are not in contact.
<> press as early as no Lu Na Oak digging map to connect.
That's where you put it in the wrong place, the decorative cover and the wire box are just right, the lamps are assembled by the manufacturer before leaving the factory, and then disassemble the packaging after checking that there is no problem. >>>More
1. All of them are virtual.
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There are many kinds of LED bulbs, choose many lamp beads, high brightness, good quality, 12 brightness should be enough.
In the living room, the lighting should be bright and scattered, so it is advisable to use chandeliers, ceiling lights, light troughs and light grilles. The crystal lamp can fully meet the lighting needs at the same time, but also show the owner's taste.