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    • Power transmission and distribution networks in general
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    IEC 60050-448 : 2.0

    INTERNATIONAL ELECTROTECHNICAL VOCABULARY - POWER SYSTEM PROTECTION

    International Electrotechnical Committee

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    IEC 60050-826 : 2.0

    INTERNATIONAL ELECTROTECHNICAL VOCABULARY - PART 826: ELECTRICAL INSTALLATIONS

    International Electrotechnical Committee

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    IEC 60439-5 : 2.0

    LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 5: PARTICULAR REQUIREMENTS FOR ASSEMBLIES FOR POWER DISTRIBUTION IN PUBLIC NETWORKS

    International Electrotechnical Committee

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    IEC 61557-7 : 2.0

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 7: PHASE SEQUENCE

    International Electrotechnical Committee

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    IEC 61557-1 : 2.0

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 1: GENERAL REQUIREMENTS

    International Electrotechnical Committee

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    IEC 61557-3 : 2.0

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 3: LOOP IMPEDANCE

    International Electrotechnical Committee

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    IEC 61557-5 : 2.0

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 5: RESISTANCE TO EARTH

    International Electrotechnical Committee

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    IEC 61557-4 : 2.0

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 4: RESISTANCE OF EARTH CONNECTION AND EQUIPOTENTIAL BONDING

    International Electrotechnical Committee

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    IEC 61138 : 3.0

    CABLES FOR PORTABLE EARTHING AND SHORT CIRCUITING EQUIPMENT

    International Electrotechnical Committee

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    IEC 61557-6 : 2.0

    ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 6: EFFECTIVENESS OF RESIDUAL CURRENT DEVICES (RCD) IN TT, TN AND IT SYSTEMS

    International Electrotechnical Committee

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