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6.2.1. Classes of equipment

There are three classes of equipment depending on the isolation type and on the connection of this equipment to the electric distrib ution mains:
 
• Class I equipment. That equipment complies with:
a) Basic isolation
b) To provide the piece of equipment with a connection with a safety earth.
 
• Class II equipment. Equipment that features a double isolation and may be not earthed.
 
• Class III equipment. This equipment does not have enough voltage to represent a risk situation.