A general term covering switching and interrupting devices and their combination with associated control, metering, protective and regulating devices; also assemblies of these devices with associated interconnections, accessories, enclosures and supporting structures, used primarily in connection with the generation, transmission, distribution and conversion of electric power.
switches, relays, and protective devices used to control power distribution.
switching or interrupting devices and their associated control, instrumentation, metering, protective, and regulating devices; also refers to assemblies of these with associated interconnections, supporting structures, enclosures, and accessories TA theater army TAACOM theater army area command TACGENS tactical generators TM technical manual TO theater of operations TOE table of organization and equipment USACE US Army Corps of Engineers USAES US Army Engineer School
A unit that contains electric fuses and/or disconnect switches to facilitate distribution switching.
Device that completes or breaks the circuit to control that electrical circuit.
The term switchgear, commonly used in association with the electric power system, or grid, refers to the combination of electrical disconnects and/or circuit breakers used to isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream.