Gives guidance on the short-circuit maximum temperature limits of electric cables having rated voltages of 1kV (Um = 1,2 kV) and 3 kV (Um = 3,6 kV), with regard to the following:- insulating materials;- oversheath and bedding materials;- conductor and metallic sheath materials and methods of connection.The design and accessories and the influence of the installation conditions on the temperature limits are taken into consideration.