BS 162:1961:1978 Edition
$215.11
Specification for electric power switchgear and associated apparatus
Published By | Publication Date | Number of Pages |
BSI | 1978 | 91 |
Assemblies of switchgear and associated apparatus, above 100 V d.c. and a.c. at power frequency; not for individual apparatus. Particular attention to switchgear clearance distances. Basic requirements for elecrical and compressed-air auxiliary systems. Selection of a compressed-air system. Safety clearances and work sections, in appendices.