Electrical supply for a 100–150 m² house: intake, floor distribution, TN-C-S earthing, breakers and cable sizes.
| Group | Breaker | Cable | Protection |
|---|---|---|---|
| Intake (TN-C-S, PEN split) | 63 A (C) | SIP 4×16 mm² | RCD 300 mA |
| Lighting floor 1 | 10 A (B) | 3×1.5 mm² | — |
| Sockets floor 1 | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Lighting floor 2 | 10 A (B) | 3×1.5 mm² | — |
| Sockets floor 2 | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Kitchen + hob | 32 A (B) | 3×6 mm² | — |
| Boiler | 16 A (C) | 3×2.5 mm² | RCD 30 mA (A) |
| Garage | 16 A (C) | 3×2.5 mm² | — |
| Outdoor lighting | 10 A (B) | 3×1.5 mm² | — |
We'll send the project to your email. No registration required.
Data is for reference. Final design decisions must follow current regulations and a qualified engineer.