BS 5501-2:1977
$86.31
Electrical apparatus for potentially explosive atmospheres – Oil immersion ‘o’
Published By | Publication Date | Number of Pages |
BSI | 1977 | 12 |
Construction and testing of apparatus with type of protection ‘o’ in which the electrical apparatus is immersed in oil to prevent any arcs or sparks causing ignition of an external flammable gas mixture. Supplements Part 1.