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BS 4999-20:1972

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for general requirements for rotating electrical machines Classification of types of enclosure
Available format(s)

Hardcopy

Superseded date

23-07-2013

Language(s)

English

Published date

28-02-1977

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.

Committee
PEL/2
DocumentType
Standard
Pages
0
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 6941:1988 Specification for electrical apparatus for explosive atmospheres with type of protection N
BS 6751:1986 Guide for protection of machine tools intended for use in extreme environmental conditions
BS 5501-3:1977 Electrical apparatus for potentially explosive atmospheres Pressurized apparatus \'p\'
BS 4999-22:1977 Specification for general requirements for rotating electrical machines Symbols for types of construction and mounting arrangements
BS 6880-1:1988 Code of practice for low temperature hot water heating systems of output greater than 45 kW Fundamental and design considerations
BS 4683-4:1973 Specification for electrical apparatus for explosive atmospheres Type of protection \'e\'
BS 5501-1:1977 Electrical apparatus for potentially explosive atmospheres General requirements
BS 6164:1982 Code of practice for safety in tunnelling in the construction industry
BS 6880-2:1988 Code of practice for low temperature hot water heating systems of output greater than 45 kW Selection of equipment
BS 6467-2:1988 Electrical apparatus with protection by enclosure for use in the presence of combustible dusts Guide to selection, installation and maintenance
BS 6467-1:1985 Electrical apparatus with protection by enclosure for use in the presence of combustible dusts Specification for apparatus
BS 4434:1989 Specification for safety aspects in the design, construction and installation of refrigerating appliances and systems
BS 6440:1983 Code of practice for powered lifting platforms for use by disabled persons
BS 3053:1983 Specification for commercial refrigerated cabinets for the sale and/or display of food products
BS 5501-6:1977 Electrical apparatus for potentially explosive atmospheres Increased safety \'e\'
BS 5490:1977 Specification for classification of degrees of protection provided by enclosures

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