BS 229:1957
$167.15
Specification. Flameproof enclosure of electrical apparatus
Published By | Publication Date | Number of Pages |
BSI | 1957 | 42 |
Electrical apparatus enclosures for use in flammable or explosive gases or vapours. Design and construction, tables the grouping of gases and vapours and the corresponding permissible gap dimensions for flanged joints. Treatment of control spindles, shafts, conductors, etc. Appendices detail requirements for certification as flameproof. (See also BS 5501-5).