This standard specifies terms and definitions, classification, main technical parameters, types, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of daily-use metallic tube electric heating element (hereinafter referred to as "element").
This standard is applicable to element installed in domestic electrical appliance, with rated voltage not exceeding 480V and rated power of single tube not exceeding 6000W.
This standard is not applicable to:
- Elements exclusively for industrial use;
- Elements working under vacuum environment or environment with absolute pressure greater than 1MPa;
- Elements working under inflammable and explosive environment.
Foreword I
1 Scope 1
2 Normative References 1
3 Terms and Definitions 1
4 Classification, Main Technical Parameters and Naming of Model 3
5 Technical Requirements 4
6 Test Methods 7
7 Inspection Rules 10
8 Marking, Packaging, Transportation and Storage 11
Appendix A (Informative) Recommended Value of Permissive Maximum Surface Load for Element in Common Medium 13
Appendix B (Informative) Typical Structure of Element 14
Appendix C (Normative) Ultimate Working Temperature for Common Material of Element 15
Appendix D (Informative) Several Recommendatory Size Criteria of Element 16
Bibliography 17
