IG-183-EN version 06; 31/03/2020
74
Recommended sequence of operations
General instructions
cgm
.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
4.
Insert the lever in the grounding switch actuation shaft
and turn clockwise.
Figure 5.51.
Turn clockwise
5.
Remove the lever. The handle returns to its original
position.
Figure 5.52.
Grounding switch open
When undertaking work with the cubicle powered
down, it is mandatory to interlock the grounding
position with either a padlock or a safety lock.
