This International Standard is applicable to heating cables for low temperature applications such as comfort heating and the prevention of ice formation.? The standard is applicable to cables for a rated voltage of 300/500 V.Heating cables for industrial applications will be covered in a separate standard.This standard is applicable only to cables and not to any other component parts of the heating system.? It provides information on a number of constructions using one or more conductors and recommended combinations of recognized and sheathing materials.Bare conductors and protected conductors to be supplied at voltages equal to@ or less than@ 50 V are excluded from the scope of this standard.