Class 1 And 2 Electrical Appliances

May be entirely supported by hand during operation.

Class 1 and 2 electrical appliances.

Of course you could look inside the plug a class 2 appliance should only have 2 wires brown and blue whereas a class 1 will have 3 wires brown blue and green yellow however it is not unusual to find appliances which have been rewired or modified bodged with the wrong cable so the only way to. Posted on february 9 2017. Pat testing list of class 2 electrical appliances. Class 1 and class 2.

There is no symbol for class 1. This is to ensure that if one of the protection layers were to fail there is the back up of the second layer still in place. Class 2 appliances are sometimes referred to as double insulated. Class 2 equipment has supplementary insulation and therefore does not rely on an earth for protection and is easily identified by the double square symbol and will receive an insulation test.

Appliances can be class 1 or class 2. 1 farnham road guildford surrey gu2 4rg. 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. It also follows another standard ul 1310.

Examples of class 1 equipment are kettles toasters irons microwaves electric heaters fridges freezers washing machines and tumble dryers etc. Surrey fire safety ltd heathrow branch 450 bath rd heathrow longford london ub7 0eb. Drill as nzs 60745 2 1 sander or polisher other than disk types as nzs 60745 2 4 circular saw as. Examples of class iii appliances are laptops mobile phones and low energy light bulbs.

Class iii appliances are identified by the class iii symbol. Any appliance which plugs into the mains will be either class 1 or class 2. Surrey fire safety ltd leatherhead branch dorset house regent park. Both class 1 and class 2 equipment require pat testing although it is important to differentiate the two as they are tested differently.

An electrical appliance that is for machining drilling sawing or surface preparation. Class iii appliances use an isolating transformer. This makes electrical equipment very safe to use. All electrical appliances using mains voltage have to provide at least 2 levels of protection to the user.

The class 2 label is related to power supply not safety. Class 1 appliances with class 1 appliances the user is protected by a combination of basic insulation and the provision of an earth connection thus providing two levels of protection.