Revision Standard – Superseded.This standard covers metal-enclosed interrupter (MEI) switchgear assemblies containing, but not limited to, such devices as interrupter switches; selector switches; power fuses; control, instrumentation and metering devices; and protective equipment. It includes, but is not specifically limited to, equipment for the control and protection of apparatus used for distribution of electrical power. Interpretations for this standard are available at: http://standards.ieee.org/reading/ieee/interp/C37.20Series.html
