The Standards Institution of Israel

June 1994

THE STANDARDS INSTITUTION OF ISRAEL

This standard replaces Israel Standard I.S. 900 dated March 1992 Corrections of mistakes date from January 1993

This standard, minus the amendments and additions contained therein, is identical to the standard of the International Electrotechnical Commission. IEC 335-1-1991

Safety of household and similar electrical appliances: General requirements

Descriptors: electrical engineering, electrical household appliances, motor- operated household appliances, electrical safety, mechanical safety, earthing. electrical testing, mechanical testing, performance.

Official standard Edition c Digital classification: 621.365.64. IS 900 (1994)

Table of contents

Foreword to Israel Standard 1 0. Foreword 1 1. Applicability of the standard 1 1a. References 2 2. Definitions 4 3. General requirements and processing 10 4. General inspection instructions 10 5. Nominal values 13 6. Classification 13 7. Labelling and instructions for use 13 8. Protection against contact with live parts 18 9. Start-up of motor-operated equipment 22 10. Power supply and current 23 11. Increase in temperature 25 12. Operation under overload conditions for equipment containing heating elements 31 13. Current leakage (when hot) and voltage and breaking through the insulation at working temperature 32 14. Prevention of radio interference 37 15. Waterproofing 37 16. Current leakage and breaking through the insulation 39 17. Protection from transformer overload and their accompanying circuits 41 18. Fitness for operation (existing) 41 19. Incorrect operation 43 20. Stability and mechanical risks 52 21. Mechanical strength 53 22. Structure 54 23. Internal conductors 63 24.Components 65 25. Connection to power supply and external fuses 67 26. Terminals for external conductors 77 27. Earthing 81 28. Screws and connectors 84 29. Creeping distances, air spaces and fusing distances for insulation 86 30. Heat-resistance, fire-resistance and resistance of fuses 91 31. Rust-resistance 93 32. Radiation, poisoning and similar dangers 94 101. Individual testing 94 Safety of household and similar electrical appliances: General requirements IS 900 (1994)

Supplement A – individual testing and its requirements 94

Appendix A - References 95 Appendix B – (to be determined in the future) 95 Appendix C – Testing wear and tear of engines 95 Appendix D – Additional requirements for protected motorised units 96 Appendix E – Measuring creeping distances and air spaces 97 Appendix F – Motors that are not insulated from the power grid and whose basic insulation is not standardised to the nominal voltage of the equipment 101 Appendix G – Circuit for measuring current leakage 103 Appendix H – Choice of tests in paragraph 30 and their order – heat-resistance, fire- resistance and resistance of fuses 104 Appendix I – Burning test 105 Appendix J – Test with a red-hot wire 105 Appendix K – Test of wrong contact with heaters 105 Appendix L – Test of ability to withstand the point of a needle 107 Appendix M – Test of viability of fuses 108 Appendix N – Degree of viability of insulating material on fuses 108

List of terms 109 IS 900

June 1994

THE STANDARDS INSTITUTION OF ISRAEL

Safety of household and similar electrical appliances: General requirements

October, 1995

This correction sheet updates Israel Standard 900 of June 1994

Paragraph 2 – definitions 101.2.2 The definitions will be deleted. IS 900 (1994)

Digital classification: 621.365.64.

Israel Standards Institution 42 Haim Levanon Street, Tel Aviv 69977

300-95-11 Introduction to Israel standard This standard is the Standard of the International Electrotechnical Commission IEC 335-1 of 1991, authorised in its translation into Hebrew as the Israel standard with changes and additions:

Introduction In preparing this standard it has been assumed that the testing will be done by experienced professionals. Nevertheless, in preparing this standard Technical Committee TC61 of the International Electrotechnical Commission took into account as far as possible the requirements described in International Electrotechnical Commission standard IEC 364(a) so as to make it possible to connect an item of equipment in accordance with the connection provisions in this standard. This standard recognises the level of protection that is accepted on an international level, protection against dangers such as: electrical danger, mechanical danger, heat danger and danger from fire and radiation from electrical household appliances and similar equipment, when they are operated in normal use according to the manufacturer’s instructions. This standard refers also to abnormal situations that are liable to occur during use. An appliance that complies with this standard is not considered to be suited to the standards of safety of the standard if and when it is tested it is found to have other properties that detract from the level of safety that are required by the standard that is applicable to it. A product may be tested that is made from materials that are different or that has a different construction from what is specified in the standard. In accordance with the intentions of the requirements, if in principle it is found that they are of equal value in principle, it can be decided that the product complies with the safety principles of the standard. Standards that deal with non-safety aspects of household appliances are: Standards of the International Electrotechnical Commission (IEC) prepared by the Technical Committee TC 59 and that refer to the method of testing quality requirements; Israeli standard IS 961(*) that deals with suppression of radio interference. The Standard of the International Electrotechnical Commission IEC 555 that deals with electromagnetic compatibility(b) (EMC).

1. Applicability of the Standard 1.1 – This standard deals with the safety of electrical heating appliances and the safety of motor-operated electrical appliances, designed for home use or for other similar uses, whose nominal voltage is no higher than 250 volts in single-phase equipment and no higher than 440 in three-phase appliances. This standard also deals with safety(**) of the appliances that are not designed for normal home use but which might be a danger to the public such as appliances designed to be used by people who are untrained in shops, in small industry and on farms, such as: --- (a) In Israel the equivalent document to the International Electrotechnical Commission’s Standard IEC 364 is the Israeli Electricity Law 5714 – 1954. (b) See list of terms at the end of the standard. (*) A change to this standard of the International Electrotechnical Commission IEC 335-1. (**) A supplement to the standard of the International Electrotechnical Commission IEC 335-1. IS 900 (1994)

Hairdressing equipment, soldering equipment, glue-heaters, excavating equipment, infrared radiation equipment, vats for cooking animal feed, water pumps, lawn-mowers. This standard also deals with electrical toy safety (**), but does not deal with the special dangers existing in children’s homes and other places in which young children are to be found. Similarly, the standard does not deal with the special dangers that exist in retirement homes and other places in which elderly or disabled people are living without supervision. In relation to these special dangers there should be a need for special requirements. This standard applies also to the following appliances: appliances designed for use in vehicles, boats and aircraft; appliances designed for use in tropical countries. For such appliances, there should be a need for additional requirements. This standard does not apply to the following appliances: Equipment that is especially installed for industrial use; Equipment designed for use in places where there are special conditions, such as: The existence of a corrosive or explosive atmosphere (dust, vapour or gas); High-frequency heating appliances with the exception of microwave ovens; Air-conditioners, to which Israel Standard IS 483(**) applies; Electronic equipment for household use, to which Israel Standard IS 250(*) applies; Equipment for medical use, to which Israel Standard IS 1011(*) applies in all its parts; Portable work tools, to which Israel Standard IS 757 in all its parts (*) applies; Personal computers and similar equipment, to which Israel Standard IS 1121(*) applies; Blankets, mattresses and sheets that are electrically heated, to which Israel Standard IS 583 (*) applies; Energisers for electrified fences, to which the International Electrotechnical Commission (IEC) 1011 applies; Transportable tools, to which the International Electrotechnical Commission (IEC) 1029 applies; 1.2 – This standard shall not detract from the provisions of any law(**). Note: If disagreements arise in relation to sections of the standard that are identical to the international standard, the prevailing version shall be that of the International Electrotechnical Commission IEC 335-1-1991(**).

1a. References (**) Standards and documents mentioned in this standard: Israeli standards IS 22 – abbreviations for units of measurement IS 32 – plugs and sockets for household use and similar uses up to 16 amps. IS 78 – lamp sockets: screw-in sockets (Edison type) IS 165 – electrical appliance testing methods IS 206 – labelling of electrical equipment IS 230 in all its parts – low voltage fuses IS 247.1 – screw-fitted lamp-caps of the Edison E5, E10 and E14 type: sizes IS 250 – Electrical equipment operated from the electricity grid and designed for household and similar use – safety requirements IS 422 – air distances, creep distances and distances for connecting electrical equipment IS473 in all its parts – insulated electrical cabling, wiring and conductors for a nominal voltage of up to 1000 volts IS 483 – electrical air-conditioners IS 575 – capacitors for motors IS 583 – electrically-heated blankets, sheets, pillows and mattresses IS 619 – cut-out switches for electrical appliances IS 740 – cases for small fuses IS 757 in all its parts – hand-held portable tools IS 758 in all its parts – graphic symbols for electricity IS 899 isolating transformers and safety isolating transformers IS 961 part 1 – electrical interference: electromagnetic interference from household electric appliances in the range of 0.15-300 MHz: permitted levels and testing methods IS 981 – Classification of protection levels of cladding for electric equipment IS 1101 in all its parts – Safety of electrical equipment for medical use IS 1109 – Plugs and sockets and connection systems for industrial use IS 1110 – Connection systems for electrical equipment for household and similar uses IS 1121 – Safety of scientific technological equipment including electrical equipment for office use IS 1526 part 2.1 – Connecting devices (junctions and T-junctions) for fixed household electrical equipment or similar devices: screwless-type clamping units for connecting copper conductors not requiring special preparation IS 1527 in all its parts – Fire safety testing – instruction for preparation for requirements and testing methods for evaluating the danger of fire on electrotechnical products

Israeli documents Electricity Law 5714 – 1954

International Standards IEC 51-2-1984 -Direct acting indicating analogue electrical - measuring instruments and their accessories Part 2: Special requirements for ammeters and voltmeters IEC 61-1-1969 - Lamp caps IEC 85-1985 - Thermal evaluation and classification of electrical insulation IEC 212-1971 -Standard conditions for use prior to and during the testing of solid electrical insulating materials IS 900 (1994)

IEC 364 - Electrical installations of buildings

IEC 384-14-1981 Fixed capacitors for use in electronic equipment Part 14 - Sectional specification: Fixed capacitors for radio interference suppression. Selection of methods of test and general requirements IEC 707-1981 - Methods of test for determination of the flammability of solid electrical insulating materials when exposed to an igniting source

1EC 730 - Automatic electrical controls for electrical household appliances

1EC 999 - 19.90 - Connecting devices – Safety requirements for screw-type and screwless-type clamping units for electrical copper conductors IEC 1011 - Electric fence energisers IEC 1029 - Safety of transportable motor operated electric tools ISO 1463 - 1982 - Metallic and oxide coatings - Measurement of coating thickness - Microscopic method ISO 2178 - 1982 - Non-metallic coatings on magnetic substrates – Measurement of coating thickness – Magnetic method

2. Definitions 2.1 – The voltage and current mentioned in this standard refer to effective values, unless otherwise indicated. 2.2 – Definitions applicable to this standard: 2.2.1 – Nominal voltage(b) – the voltage (in three phases, the voltage between the phases) that the manufacturer has claimed for the device. 2.2.2 – Nominal voltage range – the voltage range that the manufacturer has claimed for the device, defined by its upper and lower limits. 2.2.3 – Working voltage – the highest voltage that can be applied to a particular part when the equipment is being operated at the voltage indicated in the normal conditions of use. 2.2.4 – Nominal power supply – the power supply as indicated by the manufacturer for the equipment. 2.2.5 – Range of nominal power supply – the range of power supply that the manufacturer has claimed for the equipment, defined by its upper and lower limits. 2.2.6 – Nominal current – the current claimed by the manufacturer for the equipment. If the manufacturer has not indicated a current for the equipment the current stated for the purpose of this standard shall be the current, as follows: for heating devices: the current shall be determined on the basis of the stated power supply and the stated voltage; for motor-driven devices: the voltage tested when the device is operated in normal working and at nominal voltage. – for combined equipment: the current tested when the device is operated in normal working and at nominal voltage. 4.13 Testing appliances that contain PTC heating elements is performed at a voltage that produces the defined power supply. If the value of the power supply is higher than the value of the nominal power supply, the coefficient of the doubling of the voltage shall equal the square root of the coefficient of the doubling of the power supply. 4.14 If type I equipment includes accessible metal parts that are not earthed and are not isolated from live parts by an intermediate earthed metal part, these parts are to be tested using the test suitable for a construction of type II. If type I equipment has accessible metal parts, these parts are to be tested using the tests for constructions of type II, unless these parts are separated from live parts by means of an intermediate earthed metal part. If the equipment has parts that are operated at a very low safety voltage, these parts are to be tested using the tests for constructions of type III. When electronic circuits are being tested, the mains electricity must be without interference from outside sources that might affect the results of the test.

5. Nominal values (**) 5.1 – General – appliances using direct current are tested as per their markings. 5.2 – The voltage and frequency of AC devices of type I and type II 5.2.1 – Devices that are designed to be connected to the mains (the public electricity grid) the voltage and frequency shall be as indicated below: nominal frequency – 50 Hz nominal voltage – 230 volts, if the device is single-phase; nominal voltage – 400 volts, if the device is multiple-phase; 5.2.2. – if the manufacturer has not stated the nominal voltage of the device, it should be determined for the purpose of this standard in relation to heating equipment, as follows: by calculating according to the nominal power supply and according to the nominal voltage.

6. Classification 6.1 – The devices are classified in accordance with their degree of protection against electric shock as specified hereunder: 6.1.1 – type I devices; 6.1.2 – type II devices; 6.1.3 – type III devices; The examination is visual and using the relevant testing. 6.2 – The devices shall have the appropriate degree of protection against water penetration. The examination is visual and using the relevant testing. Degrees of protection (IP) are defined in Israel Standard I.S. 981 (**).

7. Labelling and instructions for use 7.1 – General – the devices will be marked with labels that shall include the following details: 1. Nominal voltages or range of nominal voltages, in volts: IS 900 (1994)

2. The symbol for current or the sign for current unless the nominal frequency is indicated; 3. The nominal power supply in volts or kW or the nominal current in amps; 4. Country of manufacture in Hebrew (**),name of manufacturer or its registered trademark; 5. Number or letter or full name or a combination thereof to identify the model of the device; 6. Symbol of the following type for type II devices only(**); 7. Symbol for protecting against moisture, as needed; 8. Additionally, machines that contain windings that are insulated with materials of type B, F or H or higher should be marked with the degree of the insulating material on the windings(**); 9. An indication of the country of manufacture and the manufacturer (**) on each individual packaging of the equipment and in its absence – on the equipment itself. Additionally, on each item of equipment that is not labelled in Hebrew, an identification label shall be affixed on which the following details shall be indicated in Hebrew: – name of manufacturer and its full address; – year of manufacture; – country of manufacture; – name of importer and its full address( for imported appliances). Other labelling is also permitted on condition that it does not cause misunderstandings. If components of the appliance are labelled separately, the labelling on the components and the labelling on the appliance shall be unequivocal in relation to the identity of the appliance and the nominal data of the appliance. A visual examination will be made. 7.2 – Static equipment – static equipment that has several supply circuits shall be labelled with the following warning: “Warning: before accessing the terminals, all of the supply circuits must be disconnected.” The warning shall be displayed on the cover of the terminal box. A visual examination will be made. 7.3 – Devices with a nominal range of values – Devices that have a nominal range of voltages and that can be operated without switching within the range shall have the highest and lowest voltages marked with a dividing line between them.

Note 1 – Example – 115-230 volts – the device is suitable for any value within the range indicated (a device for curling hair with a PTC heating element). Devices with different nominal values which have to be switched to the value suited for use shall be marked with the various values with a diagonal line between them. Note 2 – Example – 115/230 volts – a device only suitable for the values indicated (a shaver with a switched charger). Note 3 – Example – the requirement also applies to devices suitable for connection to a single-phase supply and for devices suitable for connection to a three-phase supply. Example – 230 volts; 400 volts; 230 volts for single-phase supply; 400 volts for three- phase supply. A visual examination will be made.