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Solid electronical insulating materials. Standard conditions for use prior to and during the testing

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Alternating current disconnectors and earthing switches for voltage above 1 kV and operating mechanisms for them. General specifications

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Rotating electrical machines. Part 25. Guidance for the design and performance of a.c. motors specifically designed for converter supply

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Electrical apparatus for explosive gas atmospheres. Part 25. Intrinsically safe systems

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Explosive atmospheres. Part 1. Equipment protection by flameproof enclosures 'd'

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Appliance couplers for household and similar general purposes. Part 2-3. Particular requirements for appliance couplers with a degree of protection higher than IPXO and methods of tests

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