PVC or silicone insulated stranded conductor, cores stranded and extruded together with PVC or silicone, round shape For thermocouples Fe-CuNi (type L), NiCr-Ni (type K), NiCroSil-NiSil (type N) PVC lead resistant to 70 °C Silicone insulation resistant to 180 °C Packaged in 50 m ring Identification according to DIN 43710 (type L) and DIN EN 60584 (type K and type N)