The utility model relates to a power supply socket, specifically speaking are slide power supply row of inserting, are equipped with the row's of inserting body, and the row of inserting is internal to be equipped with live wire and two zero lines at least and to lead electrical drainage, the one end of wire with lead electrical drainage and be connected, the wire guide that the other end of wire passed on the row's of inserting body is connected with plug or power supply, its characterized in that leads electrical drainage and is staple bolt groove form, and lead and be equipped with the open slot directly over the row's of inserting body that electrical drainage corresponds, lead electrical drainage and open slot be the annular and set up internally in the row of inserting, the utility model discloses the when used is inserted the open slot of plug on the row's of inserting body between hoop groove form conducting strip, and the plug need not extracted during with the electric plug to the adjustment, makes plug random removal in order to replace the having row of inserting now between open slot and hoop groove form conducting strip, and the plug is not limited by the jack, the utility model has the advantages of convenient to use, availability factor height.