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Do you mean to cross the line on the top of the suspended ceiling, right, the distance from the board to the lamp must be counted Just be covered and counted as a clear cloth.
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You can't count it, if you want to count it as bright or dark.
[Plate top dark compress CC].
Plate to ceiling] is open-mounted. The wires should be counted as the lamps. >>>More
The bathroom should be treated with a dark pipe, and do not open the horizontal groove. >>>More
The bathroom and kitchen are all water and electricity first, put the water pipes and electric pipes in place, and then brush the waterproof paint, and then start to lay floor tiles. Finally suspended ceilings.
Choose by yourself, the principle of choice is simple and try to keep the water pipe as low as possible.
Generally, the dual control is 3 wires. If it's not three, you can't let the line close. You can't do dual control. However, you can install a remote control light on top of your lamp.