BS 4683-4:1973 Specification for electrical apparatus for explosive atmospheres. Type of protection 'e' (AMD 4240) (AMD 5039) (Withdrawn)
Publication Year
1973
Document Status
Withdrawn
Abstract
Relates to the construction and test of electrical apparatus, type of protection 'e'. This type of protection can only be applied to such kinds of electrical apparatus, or parts of apparatus, as do not produce sparks or arcs or dangerous temperatures in normal service. The measures to be applied in order to increase the safety of such apparatus, so that it is suitable for operation in areas endangered by explosive gas atmospheres, are specified.
Document History
Superseded by BS EN 60079-7:2003.
ISBN
058007952X
Publisher Information
British Standards Institution
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