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Rotating electrical machines. Part 2-3. Specific test methods for determining losses and efficiency of converter-fed AC induction motors
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Low-voltage surge protective devices. Part 12. Surge protective devices connected to low-voltage power distribution systems. Selection and application principles
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Photovoltaic systems. Solar trackers. General specifications
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Low-voltage switchgear and controlgear. Part 5-4. Control circuit devices and switching elements. Method of assessing the performance of low-energy contacts. Special tests
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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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