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GB 50057-2010 第6.3.1条 Code for Design Protection of Structures Against Lightning

Equipotential bonding电气工程

GB 50057-2010 第6.3.1条

| All conductive metal objects in the hotel (such as metal doors and windows, metal suspended ceilings, elevator guide rails, metal pipes, metal bathtubs in bathrooms, metal shower enclosure frames, etc.) shall be equipotentially bonded. Bonding conductor cross-sectional area: copper not less than 6mm², steel not less than 16mm².

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