GB 50052-2009 第3.5.1条
| Height of the bottom of distribution cabinets (boxes) above floor level: not less than 1.2 m for surface mounting, and not less than 1.5 m for concealed mounting (applicable to guest room distribution boxes in hotels).
| Height of the bottom of distribution cabinets (boxes) above floor level: not less than 1.2 m for surface mounting, and not less than 1.5 m for concealed mounting (applicable to guest room distribution boxes in hotels).
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