SN EN 60335-2-63 : 1993

National foreword<br>Cooperating organizations<br>Brief history<br>Foreword<br>1 Scope<br>2 Definitions<br>3 General requirement<br>4 General notes on tests<br>5 Rating<br>6 Classification<br>7 Marking<br>8 Protection against electric shock<br>9 Starting of motor-operated appliances<br>10 Input and current<br>11 Heating<br>12 Operation under overload conditions of appliances <br>&nbsp;&nbsp;&nbsp;&nbsp;with heating elements<br>13 Electrical insulation and leakage current at <br>&nbsp;&nbsp;&nbsp;&nbsp;operating temperature<br>14 Radio and television interference suppression<br>15 Moisture resistance<br>16 Insulation resistance and electric strength<br>17 Overload protection<br>18 Endurance<br>19 Abnormal operation<br>20 Stability and mechanical hazards<br>21 Mechanical strength<br>22 Construction<br>23 Internal wiring<br>24 Components<br>25 Supply connection and external flexible cables and<br>&nbsp;&nbsp;&nbsp;&nbsp;cords<br>26 Terminals for external conductors<br>27 Provision for earthing<br>28 Screws and connections<br>29 Creepage distances, clearances and distances through<br>&nbsp;&nbsp;&nbsp;&nbsp;insulation<br>30 Resistance to heat, fire and tracking<br>31 Resistance to rusting<br>32 Radiation, toxicity and similar hazards<br>Appendices<br>Annex ZA (normative) Switches<br>Annex ZY (informative) National deviations<br>National annex NA (informative) Original IEC text <br>&nbsp;amended by CENELEC common modifications<br>National annex NB (informative) Committees responsible<br>National annex NC (informative) Cross-references

Applies to electrically operated commercial water boilers and liquid heaters for the boiling or heating of liquids to be used in the preparation of beverages and not intended for household use. Does not apply to: appliances with electrode heaters; appliances designed exclusively for industrial purposes; appliances meant to be used in locations where special conditions prevail. Covers the electrical part of appliances making use of other forms of energy. Coverage includes definitions, marking, endurance, construction, components, heating, and moisture resistance.