In the case of work carried out in the vicinity of live bare active parts in the HTA or HTB fields mentioned in 3° and 4° ofarticle R. 4226-2, permanent supervision is ensured by an authorised person, designated for this purpose, who ensures that the prescribed safety measures are applied.
Access to the premises or locations at particular risk of electric shock mentioned inarticle R. 4226-9 is reserved for persons holding appropriate authorisation. However, for non-electrical operations, other persons may be authorised to enter, provided that they have been informed of the safety instructions to be followed with regard to electrical risks and that they are placed under the constant supervision of an authorised person designated for this purpose.