Applies to spring-clamp connections made with stripped wire without further preparation: - solid conductors of 0,32 mm to 3,7 mm nominal diameter (0,08 mm[2] to 10 mm[2] cross-section), or - stranded conductors of 0,08 mm[2] to 10 mm[2] cross-section or - flexible conductors of 0,08 mm[2] to 10 mm[2] cross-section according to IEC 60228 or IEC 60189-3 for use in telecommunication equipment and in electronic devices employing similar techniques.