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Code of Practice for Selec., Instal. & Maintenance of Elect. Apparatus for Use in Potentially Explosive Atmospheres (save mining applic. or explosive processing & manufacture) -Instal. & Maintenance Requir. for Elect.l apparatus w/ Type Protection "S"
standard by BSI Group, 01/01/1980
Provides guidance on the use of special electrical apparatus which is certified for use in explosive gas atmospheres but which does not conform to any of the standard techniques of protection as specified in existing standards.
