STN - Slovenské národní normy

Low-voltage electrical installations. Part 5-54: Selection and erection of electrical equipment - Earthing arrangements, protective conductors and protective bonding conductors

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Electrical installation of buildings. Part 5: Selection and erection of electrical equipment. Chapter 54: Earthing arrangements and protective conductors

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Low-voltage electrical installations.Part 5-56:Selection and erection of electrical equipment.Safety services

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Low-voltage electrical installations - Part 5-56: Selection and erection of electrical equipment - Safety services

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Electrical installations of buildings. Part 5: Selection and erection of electrical equipment. Chapter 56: Supplies for safety services

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Koordinácia elektrických zariadení na ochranu, bezpečné odpojenie, spínanie a ovládanie (Norma na priame používanie ako STN).

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Low-voltage electrical installations. Part 5-57: Co-ordination of electrical equipment for protection, isolation, switching and control

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Electrical installations of buildings. Part 5: Selection and erection of electrical equipment. Section 523: Current-carrying capacities in wiring systems

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Electrical equipment and installations. Part 5: Selection and erection of electrical equipment. Chapter 52: Wiring systems. Section 523: Current-carrying capacities

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Low-voltage electrical installations. Part 5-53: Selection and erection of electrical equipment. Isolation, switching and control. Clause 534: Devices for protection against overvoltages

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