Ready-to-install heating mat with a connecting cable suitable for installation in reinforced concrete, screed or sand bed. With additional protective braiding for use with the FI protection circuit. This heating mat system is particularly suitable for installation in angled and/or large areas, as there is no need to return the second connection. Including factory-fitted waterproof sleeves and a 10 m long PTC thermistor, install according to the system according to the installation instructions. Measure the insulation and total resistance. Heating cable according to IEC 60800, voltage: 400 V, nominal limit temperature: 80°C, specific heating output: 300 W/m, resistance tolerance: +10% / -5%, minimum installation temperature: 5°C, smallest bending radius: 5 x dA, protection class: IP X7, area 3.6 m, 1050 W,