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 mm2 to 10 mm2 cross-section; for use in telecommunication equipment and in electronic devices employing similar techniques.