Complete electrical project for a three-bedroom apartment: 8 groups, breakers, RCD and cable sizes.
| Group | Breaker | Cable | Protection |
|---|---|---|---|
| Group 1 — Lighting | 10 A (B) | 3×1.5 mm² | — |
| Group 2 — Living room sockets | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Group 3 — Kitchen sockets | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Group 4 — Washer/dishwasher | 16 A (C) | 3×2.5 mm² | RCD 30 mA (A) |
| Group 5 — Air conditioners | 16 A (C) | 3×2.5 mm² | — |
| Group 6 — Electric hob | 32 A (B) | 3×6 mm² | — |
| Group 7 — Oven | 16 A (B) | 3×2.5 mm² | — |
| Group 8 — Underfloor heating | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Main supply | 63 A (C) | 3×16 mm² | RCD 300 mA |
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Data is for reference. Final design decisions must follow current regulations and a qualified engineer.