High-voltage switchgear and controlgear - Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV

BS EN 62047-1:2016 includes some technical changes with respect to BS EN 62047-1:2006

ISO 17733 specifies a procedure for the determination of the time-weighted average mass concentration of mercury vapour and inorganic mercury compounds in workplace air

Annex E (informative) Example of calculation of the calibration function and of the variability test

BS EN 16798 is applicable where the criteria for the indoor environment are set by human occupancy and where the production or process does not have a major impact on the indoor environment

The relationship between particle diameter and settling velocity is given by Stokes’ Law from which

inspection and testing of which are specified in BS EN 13261

This part of IEC 60079 is applicable to non-sparking electrical equipment and also to electrical equipment with parts or circuits producing arcs or sparks or having hot surfaces which

including use by designers

controlgear

BS EN 13523-8 provides guidance on:

operation and maintenance of equipment having a fire risk

BS EN 50200 is a European Standard that specifies the test method for cables designed to have intrinsic resistance to fire and intended for use as emergency circuits for alarm