
1) Electric power
Found on
https://www.crosswordclues.com/clue/switchgear

In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream. This type of equipment is directly linked to the reliability of ...
Found on
http://en.wikipedia.org/wiki/Switchgear

a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures, intended in principle for use in connection with generation, transmission, distrib...
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=441-11-02

A general term covering switching and interrupting devices and their combination with associated control, metering, protective and regulating devices. Also, the assemblies of these devices with associated interconnection, accessories, enclosures and supp
Found on
http://www.youngco.com/young2.asp?ID=4&Type=3

Enclosures that house circuit breakers, metering and protective relaying equipment and also distributes electrical power.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

switching equipment used in an electric power station.
Found on
https://www.infoplease.com/dictionary/switchgear
No exact match found.