In an electric power system, switchgear is composed 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. Besides being an integral part of any substation, Certain switchgear equipment is provided and installed as stand-alone units like power distribution boxes in houses, offices, and shops and feeder pillars in the street light system and residential complexes. Many such installations are on The Terminators credit.