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GB 51309-2018 第3.3.2条 Technical Standard for Fire Emergency Lighting and Evacuation Indication Systems

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GB 51309-2018 第3.3.2条

| **** | Wiring installation: Emergency lighting circuits shall use fire-resistant cables and shall be protected by metal conduits or flame-retardant rigid plastic conduits, concealed within non-combustible structures with a protective layer thickness of not less than 30 mm. |

Other clauses of this standard

GB 51309-2018 第1.0.2条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第1.0.3条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第1.0.4条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.1条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.2条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.3条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.4条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.5条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.6条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.7条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.8条Technical Standard for Fire Emergency Lighting and Evacuati…
GB 51309-2018 第2.0.9条Technical Standard for Fire Emergency Lighting and Evacuati…

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