IEC 61255 Ed. 2.0 b:2014

IEC 61255:2014 applies to electric heating pads for household use. This International Standard defines the main performance characteristics of electric heating pads and specifies methods for measuring these characteristics, for the information of users. This International Standard does not specify values for performance characteristics. This edition includes the following significant technical changes with respect to the previous edition:
a) extended classification;
b) extended list of measurements;
c) temperature measurement means changed to thermocouples.