Tools with type X attachments, except those with specially prepared cord, shall be provided with terminals in which connection is made by means of screws, nuts, or equally effective devices. Screw-type terminals in accordance with IEC 60998-2-1, screwless terminalsin accordance with IEC 60998-2-2 and clamping units in accordance with IEC 60999-1 are considered to be equally effective devices.Screws and nuts shall not serve to fix any other component, except that they may also clamp internal conductors, if these are so arranged that they are unlikely to be displaced when fitting the supply conductors.Compliance is checked by inspection.