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Anonymous users2024-01-24The iron chain or screw is passed through the hole reserved by the metal chassis of the lamp (if the position is not suitable, an electric drill is used to open the hole), the iron chain is twisted with a metal wire (the copper wire of the square copper-plastic wire can be), and the screw is fixed with a matching nut, in short, the lamp chassis and the embedded parts (chain, rod) can be reliably connected.
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Anonymous users2024-01-23If you want to punch a hole first, it is better to find an electrician to be safer.
It is necessary to find out where the water leaks are, and then put aside the new weld and do a pressure test.
The weak current box should be connected to the telephone line! The video intercom is just connected to the unit door!
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Repaint.
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