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GB 51309-2018 第3.2.7条 Technical Standard for Fire Emergency Lighting and Evacuation Indication Systems

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GB 51309-2018 第3.2.7条

| **** | The earthing protection of system circuits shall comply with the requirements of GB 50054 "Code for Design of Low Voltage Power Distribution", and where residual current protection (RCD) is provided, the operating current shall not exceed 30mA, but the system power supply shall not be cut off (alarm only). |

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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