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1. First, use a test pencil to find the hot wire;

2. Turn off the socket power supply;

3. Connect the live wire to one of the two holes marked A in the switch, and then connect a 2.5MM2 insulated wire from the other hole to the L hole in the three holes of the socket below and firmly connect it;

4. Find the zero wire and directly connect it to the N hole of the socket, and firmly connect it to the N hole;

5. Find the ground wire and connect it directly into the E hole of the three sockets. Attention: The zero and ground wires should not be connected incorrectly (usually facing the left zero and right fire of the socket and grounding, otherwise plugging in the electrical equipment will cause tripping once opened.