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GB 50054-2011 第3.3.1条 Code for Design of Low-Voltage Power Distribution

Selection of electrical equipment and conductors电气工程

GB 50054-2011 第3.3.1条

| | The **insulation type** of conductors (cables, wires) shall meet the requirements of the installation environment. **Fire protection loads** in the hotel (such as emergency lighting and fire pumps) shall use **fire-resistant cables** (fire resistance rating ≥90 min); **normal loads** may use flame-retardant cables. |

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