GB 50052-2009 第3.7.2条
| When distribution lines penetrate fire compartments, they shall be sealed with firestop materials, and the fire resistance rating shall be no less than 1.0h (applicable to hotel fire-protection load circuits). |
GB 50052-2009 第3.7.2条 Code for Design of Power Supply and Distribution Systems
Other clauses of this standard
- GB 50052-2009 第1.0.3条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第1.0.4条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第1.0.5条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第1.0.6条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第1.0.7条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第1.0.8条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第2.0.1条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第2.0.2条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第2.0.3条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第2.0.4条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第2.0.5条Code for Design of Power Supply and Distribution Systems
- GB 50052-2009 第2.0.6条Code for Design of Power Supply and Distribution Systems
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