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Tests for electric and optical cables under fire conditions. Circuit integrity. Part 11. Apparatus. Fire alone at a flame temperature of at least 750 °C

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Radio-frequency cable type PK 75-17-31. Specifications

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Tests on electric and optical cables under fire conditions. Part 2 -2. Test for vertical flame propagation for a single small insulated wire or cable. Procedure for diffusion flame

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Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally called neon - transformers). General and safety requirements

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Connecting devices. Safety requirements for clamping units. Part 2. Particular requirements for screw-type and screwless-type clamping units for copper conductors above 35 mm2 up to 300 mm2 (included)

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Electrical apparatus for use in the presence of combustible dust. Part 0. General requirements

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