A French-language technical guide focused on protecting homes from lightning strikes and related electrical hazards. This second volume addresses practical domestic installation concerns, explaining how lightning protection systems can be planned, fitted, and maintained in residential settings. The work is intended for readers seeking reliable guidance on safeguarding buildings, electrical networks, and occupants from the effects of direct or nearby strikes. The volume emphasizes applied safety rather than theory alone, making it useful for technicians, homeowners, and anyone responsible for electrical risk management in a dwelling. Its scope includes protection equipment, grounding considerations, surge mitigation, and the general principles needed to reduce damage to appliances and building structures. With 216 pages, the book functions as a specialized reference for domestic lightning protection.