Electrical supply for a small office: workstations, server room, HVAC, lighting. Groups and breakers.
| Group | Breaker | Cable | Protection |
|---|---|---|---|
| Lighting | 10 A (B) | 3×1.5 mm² | — |
| Workstation sockets (10) | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Server room / UPS | 16 A (C) | 3×2.5 mm² | — |
| Air conditioning | 20 A (C) | 3×2.5 mm² | — |
| Kitchen (kettle, microwave) | 16 A (B) | 3×2.5 mm² | RCD 30 mA |
| Main supply | 50 A (C) | 3×10 mm² | RCD 300 mA |
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Data is for reference. Final design decisions must follow current regulations and a qualified engineer.