Applies to waterproof heating cables having a rated voltage grater than 50 V but not exceeding 450/750 V a.c. with positive temperature co-efficient resistive elements for a majority of industrial applications. It applies only to the heated part of the c
IEC TR2 61423-1:1995 history
1995IEC TR2 61423-1:1995 Heating cables for industrial applications - Part 1: Performance requirements and test methods; Technical Report Type 2