4. Conclusion

The majority of public HVA distribution networks are now at 20 kV, and for low-power networks, ErDF is introducing a compensated neutral ground connection diagram.

While the main principles of protection against electric shock and overload have not changed, the regulations are now different.

The decree of November 14, 1988, which defined protection rules, has been replaced by decree no. 2010-1017 and its order of April 19, 2012, which cite standards NF C 13-100 and NF C 13-200 for high-voltage installations. From now on, only these standards will apply.

Safety rules for work and interventions, as well as for the operation and management of installations, have evolved considerably, and are set out in standard NF C 18-510 Opérations sur les ouvrages et installations électriques et dans l'environnement électrique (Operations...