About

All electrical appliances working with mains voltage have to deliver at least two amounts of defense to the consumer. This is to make sure that if a person of the security levels had been to fall short, there is the again-up of the second layer even now in area. This makes electrical equipment quite secure to use. Appliances can be Course 1 or Course two.
When PAT tests, it is significant to to start with discover the Course of the appliance as Course 1 appliances are examined in another way from Class two appliances.
Depending on how just the safety is presented, electrical appliance are set into five Lessons of tools construction which are Course 1, two, 3, , 01. Of these the most essential are Course 1 & 2. For completeness all the Courses are explained down below.
Class 1
Here the defense is provided by a blend of insulation and use of the mains Earth. It is best revealed by referring to an electric powered fireplace that h