noun Electricity.
switching equipment used in an electric power station.
Also, switch gear.

1900–05; switch + gear

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World English Dictionary
switchgear (ˈswɪtʃˌɡɪə)
electrical engineering any of several devices used for opening and closing electric circuits, esp those that pass high currents

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Of course a tsunami, or fire suppression water, or a flood would short out
  their emergency generator and switchgear.
Switchgear is labeled well, legible during the day and illuminated in red at
The switchgear is simple, and the instrumentation is clean.
The instruments and gauges are finally clean and stylish, and the switchgear is
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