From OpenStreetMap Wiki
|switch = earthing|
|A switch to link a given power circuit to earth as for ensuring safety of maintenance operations (corresponding power circuit won't be loaded when switch is closed).|
|Used on these elements|
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An earthing switch (441-14-07) is a kind of power=switch capable to link a power circuit to earth for security or maintenance purposes. Such a disconnector can often be found everywhere where technician or generally humans safety must be ensured.
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|--||This earthing switch is composed of a fixed part strongly linked to the ground (capable to send all power of the circuit to earth) and a moving part able to close the switch between power circuit and the fixed part.|
- Power switching extension approved proposal.