BS 4683-3:1972
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for electrical apparatus for explosive atmospheres Type of protection N
Hardcopy , PDF
07-23-2013
English
08-16-1972
Specifies the essential constructional features of electrical apparatus intended for use in Division 2 areas and test requirements which such apparatus shall meet. Subject to the limitations imposed by the temperature class, this type of apparatus is suitable for use in all gases and vapours when mixed with air. Does not cover apparatus intended for use where there may be a hazard due to ignitable dust or fibre.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.