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Testing

Introduction on Household Appliances Safety Test Release Time:2022-01-05

Household appliances mainly refer to various electrical and electronic appliances used in homes and similar places. Household appliances help us do a lot of trivial housework and create a more comfortable and beautiful living environment. It is essential in our family life. In order to ensure consumer safety, International Electrotechnical Commission has formulated a series of safety standards for different household appliances to improve its safety.


With increasing development of science and technology, smart and multifunctional household appliance has emerged rapidly. The design of household appliance must comply with safety standards and safety standards are also constantly updated to meet requirement of new products.

 

Product Classification (Protection against electric shock)

 

Class   0

Electric shock protection only relies on   basic insulated appliances. That is, it does not connect conductive and   easily accessible parts (if any) to the fixed wiring of the facility to   protect the conductor. Once basic insulation fails, electric shock protection   relies on the environment.

Class   0I

An appliance at least having basic   insulation in its entirety and having a ground terminal, but having power   supply with no ground wire and a plug without ground pins.

Class   I

Its electric shock protection not   only relies on basic insulation but also includes an appliance with   additional safety protection measures. The protective measure is to connect those   easily accessible conductive parts to the grounding protective conductor in   the fixed wiring of the facility, so that in case the basic insulation edge fails,   the easily accessible live parts will not get an electric shock.

Type   II

The electric shock protection not   only relies on basic insulation, but also provides additional safety   protection measures such as double insulation or reinforced insulation. These   appliances do not have protective grounding or measures that depend on   installation conditions

Type   III

An appliance relies on a safety   extra-low voltage power supply to provide protection against electric shock. Its   voltage is not higher than safety extra-low voltage.

 

Type of Appliance

 

Portable

Appliances that are expected to   move during work or non-stationary appliances less than 18 kg.

Handheld

Portable appliances intended to be   held by hand during usage.

Standing

Fixed appliances or non-portable   appliances.

Fixed

An appliance that is tightly fixed   on a stand or a specific position for use.

Built-in

Fixed appliances intended to be   installed in cabinets, niches in the walls or similar places.

Electric   heating

Appliances equipped with electric   heating elements without electric motors.

Electric

Appliances equipped with electric   motors without heating elements.

Combination   Product

Appliances equipped with electric   motors and heating elements.

 

Common Products

 

Sweeper

Electric iron

Cooktop

Oven

Electric shaver

Clippers

Blender                           

Juicer

Coffee grinder

Whisk

Meat grinder

Noodle machine

Coffee pot

Steamer

Egg boiler

Electric kettle

Yogurt machine

Pressure cooker

Rice cooker

Saucepan

Electric blanket

Heating pad

Hair dryer

Hair straightener

Curling iron

Hair dryer

Hand dryer

Facial sauna

Hair styling device

Ice cream machine

Refrigeration appliance

Drinking fountain

Micro-wave oven

Battery charger

Room heater

Grease pump

Massage appliance

Water heater

Iron

Welding gun

Hot air gun

Electric toothbrush

Oral irrigator

Aerator

Heater for aquarium

Insect killer

Air purifier

Foot warmer, pad

Hanging   ironing machine

Outdoor grill

Fan

Humidifier

Aroma   Diffuser

E-cigarette

Electric   scooter

Clothes   dryer, towel rack

Frying   pan

Fry   Pan

Air   fryer

Fascia   Gun

 

 

Test Standards

 

General requirements for household   appliances

IEC/EN   60335-1

GB   4706.1

Vacuum cleaners and water-suction   cleaning appliances

IEC/EN   60335-2-2

GB   4706.7

Electric iron

IEC/EN   60335-2-3

GB   4706.2

Stationary electric stove, cooktop, oven

IEC/EN   60335-2-6

GB   4706.22

Electric shaver, clipper

IEC/EN   60335-2-8

GB   4706.9

Portable ovens, bread machines and portable cooking   appliances

IEC/EN   60335-2-9

GB   4706.14

Floor treatment machine and wet   scrubbing machine

IEC/EN   60335-2-10

GB   4706.57

Deep fryer, frying pan

IEC/EN   60335-2-13

GB   4706.56

Kitchen machinery

IEC/EN   60335-2-14

GB   4706.30

Liquid heater

IEC/EN   60335-2-15

GB   4706.19

Food waste processor

IEC/EN   60335-2-16

GB   4706.49

Electric blankets, electric heating pads   and other requirements for similar flexible appliance

IEC/EN   60335-2-17

GB   4706.8

Skin and hair care appliances

IEC/EN   60335-2-23

GB   4706.15

Refrigerating appliances, ice cream makers

IEC/EN   60335-2-24

GB   4706.13

Micro-wave oven

IEC/EN   60335-2-25

GB   4706.21

Clock

IEC/EN   60335-2-26

GB   4706.70

Special requirements for ultraviolet and   infrared radiation skin appliances

IEC/EN   60335-2-27

GB   4706.85

Battery charger

IEC/EN   60335-2-29

GB   4706.18

Heater

IEC/EN   60335-2-30

GB   4706.23

Grease pump

IEC/EN   60335-2-31

GB   4706.28

Massage appliance

IEC/EN   60335-2-32

GB   4706.10

Special requirements for clothes dryers   and towel racks

IEC/EN   60335-2-43

GB   4706.60

Oral hygiene appliances

IEC/EN   60335-2-52

GB   4706.59

Electrical appliances for aquariums and   garden ponds

IEC/EN   60335-2-55

GB   4706.67

Projectors and similar appliances

IEC/EN   60335-2-56

GB   4706.43

Insect killer

IEC/EN   60335-2-59

GB   4706.50

Air purifier

IEC/EN   60335-2-65

GB   4706.45

Fixed immersion heater

IEC/EN   60335-2-73

GB   4706.75

Portable immersion heater

IEC/EN   60335-2-74

GB   4706.77

Outdoor grill

IEC/EN   60335-2-78

GB   4706.106

Electric fan

IEC/EN   60335-2-80

GB   4706.27

Special requirements for foot warmers   and hot foot pads

IEC/EN   60335-2-81

GB   4706.80

Entertainment equipment

IEC/EN   60335-2-82

GB   4706.69

Fabric steam engine

IEC/EN   60335-2-85

GB   4706.84

Special requirements for driving devices of roller   blinds, doors, windows, awnings, blinds and similar equipment

IEC/EN   60335-2-97

GB   4706.101

Humidifier

IEC/EN   60335-2-98

GB   4706.48

Vaporizer

IEC/EN   60335-2-101

GB   4706.81

EMF

IEC/EN   62233


Household cooking appliances

UL   1026


Vacuum cleaner

UL   1017


Frying pan

UL   1083


Personal beauty appliances

UL   859


Electric fan

UL   507


Humidifier

UL   998


Household coffee pots and water-boiling   appliances

UL   1082


Electric household food processing machinery

UL   982


Electric heating equipment

UL   499


  

Test items

 

Marking and description

Protection against electric parts

Input power and current

fever

Leakage current and electric strength at   working temperature

Moisture resistant

Leakage current and electric strength

Abnormal work

Stability and mechanical hazards

Mechanical strength

Structure

Internal wiring

Power connection and external cord

Terminals for external wires

Grounding measures

Screws and connections

Electrical clearance, creepage distance   and solid insulation

Heat and flame resistance

EMF radiation

Charging requirements for metal   lithium-ion batteries

  

Test Items


Marking and description

Electric shock protection

Input and output test

fever

Short circuit and overload protection

Mechanical strength

IP rate test

Insulation resistance

Dielectric strength

Leakage current

Structure

Components

Internal wiring

Wire test

Grounding protection

Screws and connections

Creepage distance and electrical   clearance

Heat resistance, fire resistance and   electric trace resistance

Rust protection


 



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