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GB 50057-2010 第4.3.4条 Code for Design Protection of Structures Against Lightning

Grounding device电气工程

GB 50057-2010 第4.3.4条

| **** | **Equipotential bonding**: All metal pipes, cable metal sheaths, elevator rails, metal doors and windows, etc. entering or exiting the hotel building shall be equipotentially bonded to the grounding device. The bonding conductors shall be copper-core wires of not less than 16 mm² or galvanized flat steel of not less than 50 mm². |

Other clauses of this standard

GB 50057-2010 第1.0.1条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第1.0.2条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第1.0.3条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第1.0.4条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第1.0.5条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第1.0.6条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第第4.2.1条条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第第4.2.1条条Code for Design of Lightning Protection of Buildings
GB 50057-2010 第第5.2.1条条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第2.0.1条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第2.0.2条Code for Design Protection of Structures Against Lightning
GB 50057-2010 第2.0.3条Code for Design Protection of Structures Against Lightning

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