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GB 50217-2018 第3.2.4条 Standard for Cable Design of Electric Power Engineering

Cable cross-section电气工程

GB 50217-2018 第3.2.4条

| **** | The voltage drop of cable circuits shall not exceed the permissible value. For long-distance power supply circuits in the hotel (such as from the basement to top-floor guest rooms, landscape lighting), the voltage drop at the end shall be verified, usually not exceeding 5%. |

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