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Appliance classes

Appliance classes (also known as protection classes) specify measures to prevent dangerous contact voltages on unenergized parts, such as the metallic casing or chassis, of an electronic device. In the electrical appliance manufacturing industry, the following appliance classes are defined in IEC 61140 and used to differentiate between the…

Art & Measurement

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Class 0

Class I

Class II

Class III

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Appliance classes

Nodes34
Edges33
Triples0
Avg. degree1.94
Density0.058824
Components1

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class earth appliance electrical shock equipment insulation protection voltage also connected conductor casing ii iii appliances contact parts connection chassis

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