Pipe heating for maintaining the temperature of domestic water pipes with self-limiting heating tape, consisting of 2 parallel tinned copper strands and a plastic heating element in between, protective insulation made of polyolefin, with protective braid made of tinned copper strands and outer protective sheath made of polyolefin. Nominal voltage: 220/240 V, holding temperature: 45°C, specific heating output: 7 W/m, max. permissible ambient temperature: switched on 80°C / switched off 100°C, 300 m drum