GB 50054-2011 第4.2.1条
| **** | **Distribution board installation height**: The bottom edge of lighting distribution boards shall be ≥1.5m above floor level (areas with frequent occupant contact such as hotel guest rooms and corridors); the bottom edge of power distribution boards shall be ≥1.2m above floor level (e.g., equipment power distribution in kitchens and laundry rooms). |