Using this plug and socket is easy. Just insert the plug into the socket firmly until you hear a click, indicating a proper connection. When using, make sure your hands are dry to avoid electrical shock. Don't overload the socket with too many high - power devices at once. To maintain it, keep the socket clean and free from dust. If there's any dirt, you can use a dry cloth to gently wipe it. And check regularly for any signs of damage like cracks or loose connections. If you notice any issues, stop using it immediately and seek professional help.