Class 1 And 2 Electrical Appliances

Class 2 appliances however always provide 2 levels of protection irrespective of the status of the wiring installation.

Class 1 and 2 electrical appliances.

So class 1 appliances depend on the external wiring in the building to fully provide the 2 levels of protection. Inside the appliance there are three wires connected to three different pins. However the only way to confirm whether the appliance is class i is to look for the class i symbol on the appliance. The basic insulation and the earth connection.

Their usual colors are respectively brown blue and. The wires are called live neutral and earth. Examples of class i appliances are refrigerators microwaves kettles irons and toasters. The basic requirement is that no single failure can result in dangerous voltage becoming exposed so that it might cause an electric shock and that this is achieved without relying on an earthed metal casing.

In addition confusion often exists regarding the difference between class 2 and class ii rated ac dc power supplies. A class 1 driver can accommodate more leds making it more efficient than a class 2 driver.