Article R4544-4 of the French Labour Code
The employer shall define and implement preventive measures so as to eliminate or, failing that, reduce as far as possible the risk of electrical hazards during operations on electrical installations or in their vicinity. To this end, he must ensure that : 1° Work is carried out de-energised, unless the risk assessment shows that operating conditions make de-energising dangerous or technically impossible; 2° Operations carried out in the vicinity of…