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GB 50217-2018 第3.2.1条 Standard for Design of Cables in Power Engineering

Cable selection电气工程

GB 50217-2018 第3.2.1条

| **** | Cable insulation type selection: Flame-retardant cables shall be used in hotel buildings. Power supply cables for fire-fighting equipment shall be fire-resistant cables (e.g., NH-YJV), and their fire resistance rating shall meet the requirement for continuous power supply throughout the fire duration (typically ≥90 min). |

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