Class 1 2 3 Electrical Appliances

The rating plate of an electric fan clearly indicates that it is a class 1 appliances.

Class 1 2 3 electrical appliances.

Classification and types of appliances the iee s code of practice for in service inspection and testing of electrical equipment 3rd edition states that there are 5 classifications of electrical appliances these are class 0 01 1 2 3. If it does not then it is class 1. The power supply can be in the form of batteries as well as ac voltage s delivered through independent transformers or electronic power supplies that incorporate transformers into their design. I know what it says in the book but was just interested in what the appliances are for example what class is a.

The power supply connected to a class 1 2 or 3 circuit for the most part determines the class of that circuit. Class i appliances are usually. Not only is the double box symbol missing but there is a clear warning stating that the appliance must be earthed. Class 1 plastic test.

If permitted at all class 0 items are. Basically during manufacture a portable appliance is given a class rating depending on how the user is protected from electrical shock. These appliances have no protective earth connection and feature only a single level of insulation between live parts and exposed metalwork. Kettle pc monitor lamp fridge ac adapter.

To identify which pat tests should be applied iec 61140 classifies electrical appliances into several protection classes. This article will explore the characteristics of each class. Any portable appliances without a class rating should be treated as a class 1 appliance. These drivers operate using less than 60 volts in dry applications 30 volts in wet applications less than 5 amps and less than 100 watts.

Class 2 appliances are commonly known as double insulated equipment the live parts are encapsulated in basic and. If the rating plate has a double box then the appliance is class 2. Ul class 2 drivers comply with standard ul1310 meaning output is considered safe to contact and no major safety protection is required at the led luminaire level there is no risk of fire or electric shock. Before an electrical appliance can be released for consumer consumption it must undergo portable appliance testing pat.

Classes 0 and 01 are extremely rare and not commonly used. Just thinking of getting into pat testing and was wondering if anybody has or can give me advice on what are class 1 2 3 items. In the electrical appliance manufacturing industry the following iec protection classes are defined in iec 61140 and used to differentiate between the protective earth connection requirements of devices. Typical class 1 items toasters kettles washing machines irons and many more.