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1) Remove 5~8mm of insulation from the wire, then insert the exposed wire into the terminal block.
2) Use a screwdriver to tighten the screw at the top, and pull on the wire a few times to check if it comes loose.
3) Once you confirm that the wire is securely connected to the terminal block, press the switch. If the light turns on, it indicates that the terminal block is successfully connected to the circuit board.
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