3. Personal protection

Protection against direct contact

The protection of persons against direct contact is ensured in connection installations by :

• insulation of active parts for a voltage of at least 4 kV ;

• out-of-reach by using IP 2x or IP XXB enclosures, which require a tool to open.

Protection against indirect contact

The protection of persons against indirect contact is ensured in connection installations by the use of :

• Class II equipment (NF C 20-030) ;

• pipes considered equivalent to Class II equipment;

• peripheral neutral pipes.