In the event of work being carried out in the vicinity of an electrical line, pipe or installation in the low voltage A (BTA) range, and in this case only, the employer may, subject to the written agreement of the operator, de-energise the line before the work and re-energise it after the work has been carried out.
The employer:
1° Does not order work to begin until he has checked that de-energising has been carried out;
2° Visibly indicates that de-energising has been carried out;
3° Protects himself against the accidental re-energising of voltage during the work, preferably by locking the corresponding switching or isolating devices in the open position;
4° Does not re-energise voltage until the work has ceased and the workers are no longer in any danger.