This part of IEC 352 is applicable to ID connections which are accessible for tests and measurements according to section 3 and which are made with: — appropriately designed ID terminations; — wires having solid round conductors of 0,25 mm to 3,6 mm nominal diameter; — wires having stranded conductors of 0,05 mm 2 to 10 mm2 cross-section; for use in telecommunication equipment and in electronic devices employing similar techniques. Information on materials and data from industrial experience is included in addition to the test procedures to provide electrically stable connections under prescribed environmental conditions.