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GB 50217-2018 第3.6.2条 Standard for Design of Cables in Power Engineering

Cable selection电气工程

GB 50217-2018 第3.6.2条

| **** | Cable outer sheath color: For fire protection power distribution circuits in the hotel (such as fire pumps and smoke exhaust fans), the cable outer sheath should preferably be red or orange for easy identification and maintenance. |

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