Ceramic electrotechnical articles. Maximum deviations from nominal dimensions, surfaces form and location
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Electrotechnical articles. Enclosures. Degrees of protections. Designations. Test methods
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Electrical articles. General requirements for environmental climatic aspects stability
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Electrical articles for tropical application. General technical requirements and methods of testing
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Rotary switches. General specifications
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Electrical articles for the cold climate regions. Technical requirements, acceptance and test methods
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Power supply systems, nets, sources, converters and receivers of electric energy. Rated voltages to 1000 V
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Explosion-proof electrical equipment
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Explosion-protective electrical equipment
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Explosion-proof electric equipment
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Explosion-proof electrical equipment with special means
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Explosion-proof electrical apparatus. Pressurized enclosure. Technical requirements and methods of testing
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