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BS 4999-20:1972

Withdrawn Date published:

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Specification for general requirements for rotating electrical machines, Classification of types of enclosure

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Classifies types of enclosure in respect of the degree of protection afforded to persons against contact with live parts, and against ingress of solid foreign bodies and liquids. Gives test requirements appropriate to each category and examples of types of test equipments.

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  • BS EN 60034-1:2010

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BS 4999-20:1972

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