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Introduction to Test Items and Standards for Household Appliance Testing
Product Series
Introduction to Test Items and Standards for Household Appliance Testing

Introduction to Test Items and Standards for Household Appliance Testing

I. Introduction to CE Certification Testing for Small Household Appliances

1.1 Test Items for CE Certification of Small Household Appliances

Certification Content: Review of product technical documents; review of product circuit diagrams; determination of product certification models.
Testing Content: There are many test items required for CE certification, and specific products need to be judged for which directives and test items are involved.
The main test items are as follows:

  • Electromagnetic Compatibility (EMC)

    ●Disturbance power
    ●Radiated disturbance
    ●Terminal disturbance voltage
    ●Electrostatic discharge immunity
    ●Electromagnetic radiation immunity
    ●Conducted immunity

  • Low Voltage (LVD)

    ●Harmonic current
    ●Voltage fluctuations and flicker
    ●Current intensity
    ●Transient voltage

  • 1.2 EN Test Standards for CE Certification of Small Household Appliances

    ●EN 60335: Safety of household and similar electrical appliances
    ●EN 55014-1: Electromagnetic compatibility. Requirements for household appliances, electric tools and similar electrical appliances. Part 1: Emission. Product class standard
    ●EN 55014-2: Electromagnetic compatibility. Requirements for household appliances, electric tools and similar electrical appliances. Part 2: Immunity. Product class standard
    ●EN 61000-3-2: Electromagnetic compatibility (EMC). Part 3-2: Limits. Limits for harmonic current emissions (equipment input current ≤16A/phase)
    ●EN 61000-3-3: Electromagnetic compatibility (EMC). Part 3-3: Limits. Limits for voltage fluctuations and flicker in public low-voltage power supply systems (for equipment with rated current ≤16A)
    The standard for electromagnetic fields (EMF) in household appliances is tested according to EN 62233:2008, titled Methods for measurement and evaluation of electromagnetic fields from household and similar electrical appliances.

  • II. What are the General Test Standards for Household Appliances?

    To prevent dangers after users purchase household appliances, including electric shock, heat-related hazards, fire hazards, mechanical hazards, energy-related hazards and radiation hazards, household appliances need to be tested. Appliance testing includes the selection of test standards and test content.
    Appliance test standards include safety test standards and EMC test standards.

    ●Safety Test Standards:
    ●General standard: GB 4706.1 Safety of household and similar electrical appliances - General requirements
    ●Special standards: GB 4706.X (see attached table)
    ●EMC Test Standards:
    ●GB 4343.1-2009 Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus - Part 1: Emission
    ●GB 17625.1-2012 Electromagnetic compatibility - Limits - Limits for harmonic current emissions (equipment input current per phase ≤16A)

  • Attached Table

    Special Test Standards for Common Small Household Appliances

    Product Name
    GB 4706.2: Special requirements for electric irons Steam irons, pressure steam irons, open steam irons, quick steam irons, cordless irons
    GB 4706.7: Special requirements for vacuum cleaners and water-absorbing cleaning equipment Various vacuum cleaners, water-absorbing vacuum cleaners
    GB 4706.8: Special requirements for electric blankets, electric cushions and similar flexible heating appliances Electric blankets, electric quilts, electric cushions, electric mattress pads
    GB 4706.9: Special requirements for electric shavers, hair clippers and similar appliances Animal hair clippers, animal electric hair clippers, washable shavers, wet shavers
    GB 4706.10: Special requirements for massage appliances Foot massagers, handheld massagers, massage beds, massage chairs, massage belts, massage pads, water-injected foot massagers
    GB 4706.14: Special requirements for bread toasters, grills, electric ovens and similar appliances Indoor barbecues, bread machines, contact grills, electric stoves, food dehydrators, burners, portable electric ovens, cheese grills, radiant grills, electric ovens, rotisseries, spits, bread toasters, waffle makers
    GB 4706.15: Special requirements for skin and hair care appliances Curling combs, curling irons, facial saunas, hand dryers, hair dryers, hair stylers, heaters with detachable curling clips
    GB 4706.19: Special requirements for liquid heaters Coffee makers, cooking pans, egg cookers, electric kettles and other boiling water appliances with rated capacity ≤10L, milk warmers, feeding bottle heaters, pressure cookers, stew pots, steamers, boiling sterilizers, yogurt makers
    GB 4706.21: Special requirements for microwave ovens General microwave ovens, combined microwave ovens
    GB 4706.22: Special requirements for stationary electric stoves, cooktops, ovens and similar appliances Stationary grills, stationary griddles, stationary electromagnetic cooktops, pyrolytic self-cleaning ovens, stationary steam grills
    GB 4706.23: Special requirements for room heaters Convection heaters, fan heaters, greenhouse heaters, liquid-filled radiators, panel heaters, radiant heaters, tubular heaters
    GB 4706.27: Special requirements for fans Circulating fans, floor fans, table fans, wall fans, ceiling fans, air-cooling fans, ceiling fans, clip fans, air curtain fans, duct ventilators, partition ventilators
    GB 4706.28: Special requirements for range hoods Various range hoods
    GB 4706.29: Special requirements for electromagnetic cookers Portable induction cookers
    GB 4706.30: Special requirements for kitchen machines Bean slicers, juicers, blenders, can openers, centrifugal juicers, butter churns, coffee grinders, food mixers, food processors, knife sharpeners, meat grinders, noodle makers, potato peelers
    GB 4706.45: Special requirements for air purifiers Various air purifiers
    GB 4706.48: Special requirements for humidifiers Various humidifiers, water atomizing devices, devices that evaporate water by heating, devices that blow air through wet media
    GB 4706.56: Special requirements for deep fat fryers, frying pans and similar appliances Deep fat fryers, frying pans, stir-fry pans
    GB 4706.57: Special requirements for floor treatment machines and wet scrubbers Floor buffers, floor polishers, floor waxers, floor scrubbers, carpet cleaners, indoor cleaners
    GB 4706.5: Special requirements for oral hygiene appliances Oral irrigators, electric toothbrushes
    GB 4706.66: Special requirements for pumps Aquarium pumps, garden pond pumps, shower booster pumps, sewage pumps, submersible pumps, shelf fountain pumps, vertical drainage pumps
    GB 4706.74: Special requirements for sewing machines Various electric sewing machines
    GB 4706.84: Special requirements for fabric steamers Various fabric steamers

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    Special Test Standards for Common Large Household Appliances

    Product Name
    GB 4706.11: Special requirements for instantaneous water heaters Instantaneous water heaters, closed water heaters, open water heaters
    GB 4706.12: Special requirements for storage electric water heaters Various storage electric water heaters
    GB 4706.13: Special requirements for refrigerating appliances, ice cream machines and ice makers Refrigerators, ice cream machines, ice makers
    GB 4706.17: Special requirements for motor-compressors Totally enclosed motor-compressors, semi-enclosed motor-compressors
    GB 4706.20: Special requirements for tumble dryers Various tumble dryers
    GB 4706.24: Special requirements for washing machines Various washing machines
    GB 4706.25: Special requirements for dishwashers Various dishwashers
    GB 4706.26: Special requirements for centrifugal dehydrators Various centrifugal dehydrators
    GB 4706.32: Special requirements for heat pumps, air conditioners and dehumidifiers Air conditioners, heat pumps, dehumidifiers

  • Attached Table

    Home-Appliance

    Special Test Standards for Common Small Household Appliances

    Product Name
    GB 4706.2: Special requirements for electric irons Steam irons, pressure steam irons, open steam irons, quick steam irons, cordless irons
    GB 4706.7: Special requirements for vacuum cleaners and water-absorbing cleaning equipment Various vacuum cleaners, water-absorbing vacuum cleaners
    GB 4706.8: Special requirements for electric blankets, electric cushions and similar flexible heating appliances Electric blankets, electric quilts, electric cushions, electric mattress pads
    GB 4706.9: Special requirements for electric shavers, hair clippers and similar appliances Animal hair clippers, animal electric hair clippers, washable shavers, wet shavers
    GB 4706.10: Special requirements for massage appliances Foot massagers, handheld massagers, massage beds, massage chairs, massage belts, massage pads, water-injected foot massagers
    GB 4706.14: Special requirements for bread toasters, grills, electric ovens and similar appliances Indoor barbecues, bread machines, contact grills, electric stoves, food dehydrators, burners, portable electric ovens, cheese grills, radiant grills, electric ovens, rotisseries, spits, bread toasters, waffle makers
    GB 4706.15: Special requirements for skin and hair care appliances Curling combs, curling irons, facial saunas, hand dryers, hair dryers, hair stylers, heaters with detachable curling clips
    GB 4706.19: Special requirements for liquid heaters Coffee makers, cooking pans, egg cookers, electric kettles and other boiling water appliances with rated capacity ≤10L, milk warmers, feeding bottle heaters, pressure cookers, stew pots, steamers, boiling sterilizers, yogurt makers
    GB 4706.21: Special requirements for microwave ovens General microwave ovens, combined microwave ovens
    GB 4706.22: Special requirements for stationary electric stoves, cooktops, ovens and similar appliances Stationary grills, stationary griddles, stationary electromagnetic cooktops, pyrolytic self-cleaning ovens, stationary steam grills
    GB 4706.23: Special requirements for room heaters Convection heaters, fan heaters, greenhouse heaters, liquid-filled radiators, panel heaters, radiant heaters, tubular heaters
    GB 4706.27: Special requirements for fans Circulating fans, floor fans, table fans, wall fans, ceiling fans, air-cooling fans, ceiling fans, clip fans, air curtain fans, duct ventilators, partition ventilators
    GB 4706.28: Special requirements for range hoods Various range hoods
    GB 4706.29: Special requirements for electromagnetic cookers Portable induction cookers
    GB 4706.30: Special requirements for kitchen machines Bean slicers, juicers, blenders, can openers, centrifugal juicers, butter churns, coffee grinders, food mixers, food processors, knife sharpeners, meat grinders, noodle makers, potato peelers
    GB 4706.45: Special requirements for air purifiers Various air purifiers
    GB 4706.48: Special requirements for humidifiers Various humidifiers, water atomizing devices, devices that evaporate water by heating, devices that blow air through wet media
    GB 4706.56: Special requirements for deep fat fryers, frying pans and similar appliances Deep fat fryers, frying pans, stir-fry pans
    GB 4706.57: Special requirements for floor treatment machines and wet scrubbers Floor buffers, floor polishers, floor waxers, floor scrubbers, carpet cleaners, indoor cleaners
    GB 4706.5: Special requirements for oral hygiene appliances Oral irrigators, electric toothbrushes
    GB 4706.66: Special requirements for pumps Aquarium pumps, garden pond pumps, shower booster pumps, sewage pumps, submersible pumps, shelf fountain pumps, vertical drainage pumps
    GB 4706.74: Special requirements for sewing machines Various electric sewing machines
    GB 4706.84: Special requirements for fabric steamers Various fabric steamers

  • III. Test Content for Household Appliances


    Pre-test Inspection:
    Pre-test inspection refers to checking whether the product meets standard requirements before formal testing, mainly including three aspects:
    ▶ Inspection of product nameplates, usage labels and instructions
    ▶ Inspection of product appearance and internal structure
    ▶ Inspection of certificates for internal components
    Safety (LVD) and EMC Testing (applicable to some appliances after pre-test inspection):

    Safety Testing includes five aspects:
    ▶ Input power (or current) test
    ▶ Normal operation temperature rise test
    ▶ Leakage current and high-voltage withstand test
    ▶ Abnormal operation test
    ▶ Heat resistance and flammability test for non-metallic materials

    EMC Testing (Electromagnetic Compatibility Testing):
    Includes Electromagnetic Interference (EMI) testing and Electromagnetic Immunity (EMS) testing.
    EMI Testing includes:
    ▶ RE (Radiated Emission) test, CE (Conducted Emission) test
    ▶ Harmonic test, Flicker test
    EMS Testing includes:
    ▶ ESD (Electrostatic Discharge) test, EFT (Electrical Fast Transient) test
    ▶ DIP (Voltage Dip) test, CS (Conducted Susceptibility) test
    ▶ RS (Radiated Susceptibility) test, Surge (Lightning Surge) test
    ▶ PMS (Power Frequency Magnetic Field Susceptibility) test